Home / 8,947.52-13,421.28-2,792

Finding the Fourth Proportional to 8,947.52, 13,421.28 and 2,792

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Solution

The fourth proportional to 8,947.52, 13,421.28 and 2,792 is: 4,188

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.52 : 13,421.28 = 2,792 : x
  2. Step 2: Convert to fraction form
    8,947.52/13,421.28 = 2,792/x
  3. Step 3: Cross multiply
    8,947.52x = 13,421.28 × 2,792
  4. Step 4: Simplify right side
    8,947.52x = 37,472,213.76
  5. Step 5: Solve for x
    x = 37,472,213.76/8,947.52
  6. Step 6: Final answer
    x = 4,188

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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.