Home / 8,810.08-12,158.29-5,272.61

Finding the Fourth Proportional to 8,810.08, 12,158.29 and 5,272.61

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Solution

The fourth proportional to 8,810.08, 12,158.29 and 5,272.61 is: 7,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.08 : 12,158.29 = 5,272.61 : x
  2. Step 2: Convert to fraction form
    8,810.08/12,158.29 = 5,272.61/x
  3. Step 3: Cross multiply
    8,810.08x = 12,158.29 × 5,272.61
  4. Step 4: Simplify right side
    8,810.08x = 64,105,921.44
  5. Step 5: Solve for x
    x = 64,105,921.44/8,810.08
  6. Step 6: Final answer
    x = 7,276.43

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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.