Home / 8,724.76-13,087.14-3,534.28

Finding the Fourth Proportional to 8,724.76, 13,087.14 and 3,534.28

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Solution

The fourth proportional to 8,724.76, 13,087.14 and 3,534.28 is: 5,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.76 : 13,087.14 = 3,534.28 : x
  2. Step 2: Convert to fraction form
    8,724.76/13,087.14 = 3,534.28/x
  3. Step 3: Cross multiply
    8,724.76x = 13,087.14 × 3,534.28
  4. Step 4: Simplify right side
    8,724.76x = 46,253,617.16
  5. Step 5: Solve for x
    x = 46,253,617.16/8,724.76
  6. Step 6: Final answer
    x = 5,301.42

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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.