Home / 7,439.29-11,156.51-2,508.22

Finding the Fourth Proportional to 7,439.29, 11,156.51 and 2,508.22

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Solution

The fourth proportional to 7,439.29, 11,156.51 and 2,508.22 is: 3,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.29 : 11,156.51 = 2,508.22 : x
  2. Step 2: Convert to fraction form
    7,439.29/11,156.51 = 2,508.22/x
  3. Step 3: Cross multiply
    7,439.29x = 11,156.51 × 2,508.22
  4. Step 4: Simplify right side
    7,439.29x = 27,982,931.92
  5. Step 5: Solve for x
    x = 27,982,931.92/7,439.29
  6. Step 6: Final answer
    x = 3,761.50

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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.