Home / 8,077.20-12,115.80-2,233.32

Finding the Fourth Proportional to 8,077.20, 12,115.80 and 2,233.32

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Solution

The fourth proportional to 8,077.20, 12,115.80 and 2,233.32 is: 3,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.20 : 12,115.80 = 2,233.32 : x
  2. Step 2: Convert to fraction form
    8,077.20/12,115.80 = 2,233.32/x
  3. Step 3: Cross multiply
    8,077.20x = 12,115.80 × 2,233.32
  4. Step 4: Simplify right side
    8,077.20x = 27,058,458.46
  5. Step 5: Solve for x
    x = 27,058,458.46/8,077.20
  6. Step 6: Final answer
    x = 3,349.98

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Similar ratio
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1.5x scale

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.