Home / 7,627.92-11,439.84-2,432.52

Finding the Fourth Proportional to 7,627.92, 11,439.84 and 2,432.52

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Solution

The fourth proportional to 7,627.92, 11,439.84 and 2,432.52 is: 3,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.92 : 11,439.84 = 2,432.52 : x
  2. Step 2: Convert to fraction form
    7,627.92/11,439.84 = 2,432.52/x
  3. Step 3: Cross multiply
    7,627.92x = 11,439.84 × 2,432.52
  4. Step 4: Simplify right side
    7,627.92x = 27,827,639.60
  5. Step 5: Solve for x
    x = 27,827,639.60/7,627.92
  6. Step 6: Final answer
    x = 3,648.13

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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.