Home / 8,315.26-11,473.75-4,777.79

Finding the Fourth Proportional to 8,315.26, 11,473.75 and 4,777.79

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Solution

The fourth proportional to 8,315.26, 11,473.75 and 4,777.79 is: 6,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.26 : 11,473.75 = 4,777.79 : x
  2. Step 2: Convert to fraction form
    8,315.26/11,473.75 = 4,777.79/x
  3. Step 3: Cross multiply
    8,315.26x = 11,473.75 × 4,777.79
  4. Step 4: Simplify right side
    8,315.26x = 54,819,116.62
  5. Step 5: Solve for x
    x = 54,819,116.62/8,315.26
  6. Step 6: Final answer
    x = 6,592.59

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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.