Home / 8,892.34-12,272.66-5,115.44

Finding the Fourth Proportional to 8,892.34, 12,272.66 and 5,115.44

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Solution

The fourth proportional to 8,892.34, 12,272.66 and 5,115.44 is: 7,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.34 : 12,272.66 = 5,115.44 : x
  2. Step 2: Convert to fraction form
    8,892.34/12,272.66 = 5,115.44/x
  3. Step 3: Cross multiply
    8,892.34x = 12,272.66 × 5,115.44
  4. Step 4: Simplify right side
    8,892.34x = 62,780,053.32
  5. Step 5: Solve for x
    x = 62,780,053.32/8,892.34
  6. Step 6: Final answer
    x = 7,060.01

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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.