Home / 8,917.04-12,294.34-5,724.71

Finding the Fourth Proportional to 8,917.04, 12,294.34 and 5,724.71

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Solution

The fourth proportional to 8,917.04, 12,294.34 and 5,724.71 is: 7,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.04 : 12,294.34 = 5,724.71 : x
  2. Step 2: Convert to fraction form
    8,917.04/12,294.34 = 5,724.71/x
  3. Step 3: Cross multiply
    8,917.04x = 12,294.34 × 5,724.71
  4. Step 4: Simplify right side
    8,917.04x = 70,381,531.14
  5. Step 5: Solve for x
    x = 70,381,531.14/8,917.04
  6. Step 6: Final answer
    x = 7,892.93

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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.