Home / 8,892.30-12,272.33-5,115.63

Finding the Fourth Proportional to 8,892.30, 12,272.33 and 5,115.63

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Solution

The fourth proportional to 8,892.30, 12,272.33 and 5,115.63 is: 7,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.30 : 12,272.33 = 5,115.63 : x
  2. Step 2: Convert to fraction form
    8,892.30/12,272.33 = 5,115.63/x
  3. Step 3: Cross multiply
    8,892.30x = 12,272.33 × 5,115.63
  4. Step 4: Simplify right side
    8,892.30x = 62,780,673.94
  5. Step 5: Solve for x
    x = 62,780,673.94/8,892.30
  6. Step 6: Final answer
    x = 7,060.12

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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.