Home / 6,400.27-9,600.68-3,116.13

Finding the Fourth Proportional to 6,400.27, 9,600.68 and 3,116.13

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Solution

The fourth proportional to 6,400.27, 9,600.68 and 3,116.13 is: 4,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.27 : 9,600.68 = 3,116.13 : x
  2. Step 2: Convert to fraction form
    6,400.27/9,600.68 = 3,116.13/x
  3. Step 3: Cross multiply
    6,400.27x = 9,600.68 × 3,116.13
  4. Step 4: Simplify right side
    6,400.27x = 29,916,966.97
  5. Step 5: Solve for x
    x = 29,916,966.97/6,400.27
  6. Step 6: Final answer
    x = 4,674.33

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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.