Home / 8,258.16-12,389.28-2,414.88

Finding the Fourth Proportional to 8,258.16, 12,389.28 and 2,414.88

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Solution

The fourth proportional to 8,258.16, 12,389.28 and 2,414.88 is: 3,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.16 : 12,389.28 = 2,414.88 : x
  2. Step 2: Convert to fraction form
    8,258.16/12,389.28 = 2,414.88/x
  3. Step 3: Cross multiply
    8,258.16x = 12,389.28 × 2,414.88
  4. Step 4: Simplify right side
    8,258.16x = 29,918,624.49
  5. Step 5: Solve for x
    x = 29,918,624.49/8,258.16
  6. Step 6: Final answer
    x = 3,622.92

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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.