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Finding the Fourth Proportional to 8,450.76, 11,651.12 and 5,793.42

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Solution

The fourth proportional to 8,450.76, 11,651.12 and 5,793.42 is: 7,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.76 : 11,651.12 = 5,793.42 : x
  2. Step 2: Convert to fraction form
    8,450.76/11,651.12 = 5,793.42/x
  3. Step 3: Cross multiply
    8,450.76x = 11,651.12 × 5,793.42
  4. Step 4: Simplify right side
    8,450.76x = 67,499,802.66
  5. Step 5: Solve for x
    x = 67,499,802.66/8,450.76
  6. Step 6: Final answer
    x = 7,987.42

Related Problems

Find fourth proportional to 4,225.38, 5,825.56 and 2,896.71
Half scale
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Double scale
Find fourth proportional to 8,451.76, 11,652.49 and 5,794.42
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.