Home / 8,925.13-12,317.19-5,388.87

Finding the Fourth Proportional to 8,925.13, 12,317.19 and 5,388.87

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Solution

The fourth proportional to 8,925.13, 12,317.19 and 5,388.87 is: 7,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.13 : 12,317.19 = 5,388.87 : x
  2. Step 2: Convert to fraction form
    8,925.13/12,317.19 = 5,388.87/x
  3. Step 3: Cross multiply
    8,925.13x = 12,317.19 × 5,388.87
  4. Step 4: Simplify right side
    8,925.13x = 66,375,735.68
  5. Step 5: Solve for x
    x = 66,375,735.68/8,925.13
  6. Step 6: Final answer
    x = 7,436.95

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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.