Home / 9,146.40-12,621.06-6,757.62

Finding the Fourth Proportional to 9,146.40, 12,621.06 and 6,757.62

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Solution

The fourth proportional to 9,146.40, 12,621.06 and 6,757.62 is: 9,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.40 : 12,621.06 = 6,757.62 : x
  2. Step 2: Convert to fraction form
    9,146.40/12,621.06 = 6,757.62/x
  3. Step 3: Cross multiply
    9,146.40x = 12,621.06 × 6,757.62
  4. Step 4: Simplify right side
    9,146.40x = 85,288,327.48
  5. Step 5: Solve for x
    x = 85,288,327.48/9,146.40
  6. Step 6: Final answer
    x = 9,324.80

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Similar ratio
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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.