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Finding the Fourth Proportional to 5,130.58, 7,695.87 and 1,234.99

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Solution

The fourth proportional to 5,130.58, 7,695.87 and 1,234.99 is: 1,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.58 : 7,695.87 = 1,234.99 : x
  2. Step 2: Convert to fraction form
    5,130.58/7,695.87 = 1,234.99/x
  3. Step 3: Cross multiply
    5,130.58x = 7,695.87 × 1,234.99
  4. Step 4: Simplify right side
    5,130.58x = 9,504,305.57
  5. Step 5: Solve for x
    x = 9,504,305.57/5,130.58
  6. Step 6: Final answer
    x = 1,852.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.