Home / 8,254.07-12,388.97-5,124.60

Finding the Fourth Proportional to 8,254.07, 12,388.97 and 5,124.60

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Solution

The fourth proportional to 8,254.07, 12,388.97 and 5,124.60 is: 7,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.07 : 12,388.97 = 5,124.60 : x
  2. Step 2: Convert to fraction form
    8,254.07/12,388.97 = 5,124.60/x
  3. Step 3: Cross multiply
    8,254.07x = 12,388.97 × 5,124.60
  4. Step 4: Simplify right side
    8,254.07x = 63,488,490.04
  5. Step 5: Solve for x
    x = 63,488,490.04/8,254.07
  6. Step 6: Final answer
    x = 7,691.78

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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.