Home / 7,724.60-10,660.62-6,463.43

Finding the Fourth Proportional to 7,724.60, 10,660.62 and 6,463.43

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Solution

The fourth proportional to 7,724.60, 10,660.62 and 6,463.43 is: 8,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.60 : 10,660.62 = 6,463.43 : x
  2. Step 2: Convert to fraction form
    7,724.60/10,660.62 = 6,463.43/x
  3. Step 3: Cross multiply
    7,724.60x = 10,660.62 × 6,463.43
  4. Step 4: Simplify right side
    7,724.60x = 68,904,171.13
  5. Step 5: Solve for x
    x = 68,904,171.13/7,724.60
  6. Step 6: Final answer
    x = 8,920.10

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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.