Home / 8,825.47-13,237.57-5,125.39

Finding the Fourth Proportional to 8,825.47, 13,237.57 and 5,125.39

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Solution

The fourth proportional to 8,825.47, 13,237.57 and 5,125.39 is: 7,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.47 : 13,237.57 = 5,125.39 : x
  2. Step 2: Convert to fraction form
    8,825.47/13,237.57 = 5,125.39/x
  3. Step 3: Cross multiply
    8,825.47x = 13,237.57 × 5,125.39
  4. Step 4: Simplify right side
    8,825.47x = 67,847,708.90
  5. Step 5: Solve for x
    x = 67,847,708.90/8,825.47
  6. Step 6: Final answer
    x = 7,687.72

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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.