Home / 8,938.24-12,336.56-5,162.02

Finding the Fourth Proportional to 8,938.24, 12,336.56 and 5,162.02

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Solution

The fourth proportional to 8,938.24, 12,336.56 and 5,162.02 is: 7,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.24 : 12,336.56 = 5,162.02 : x
  2. Step 2: Convert to fraction form
    8,938.24/12,336.56 = 5,162.02/x
  3. Step 3: Cross multiply
    8,938.24x = 12,336.56 × 5,162.02
  4. Step 4: Simplify right side
    8,938.24x = 63,681,481.96
  5. Step 5: Solve for x
    x = 63,681,481.96/8,938.24
  6. Step 6: Final answer
    x = 7,124.61

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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.