Home / 8,882.30-12,256.26-5,105.62

Finding the Fourth Proportional to 8,882.30, 12,256.26 and 5,105.62

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Solution

The fourth proportional to 8,882.30, 12,256.26 and 5,105.62 is: 7,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.30 : 12,256.26 = 5,105.62 : x
  2. Step 2: Convert to fraction form
    8,882.30/12,256.26 = 5,105.62/x
  3. Step 3: Cross multiply
    8,882.30x = 12,256.26 × 5,105.62
  4. Step 4: Simplify right side
    8,882.30x = 62,575,781.53
  5. Step 5: Solve for x
    x = 62,575,781.53/8,882.30
  6. Step 6: Final answer
    x = 7,045.00

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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.