Home / 7,248.71-10,856.57-4,320.97

Finding the Fourth Proportional to 7,248.71, 10,856.57 and 4,320.97

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Solution

The fourth proportional to 7,248.71, 10,856.57 and 4,320.97 is: 6,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.71 : 10,856.57 = 4,320.97 : x
  2. Step 2: Convert to fraction form
    7,248.71/10,856.57 = 4,320.97/x
  3. Step 3: Cross multiply
    7,248.71x = 10,856.57 × 4,320.97
  4. Step 4: Simplify right side
    7,248.71x = 46,910,864.53
  5. Step 5: Solve for x
    x = 46,910,864.53/7,248.71
  6. Step 6: Final answer
    x = 6,471.61

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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.