Home / 9,152.28-13,728.42-2,226.72

Finding the Fourth Proportional to 9,152.28, 13,728.42 and 2,226.72

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Solution

The fourth proportional to 9,152.28, 13,728.42 and 2,226.72 is: 3,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.28 : 13,728.42 = 2,226.72 : x
  2. Step 2: Convert to fraction form
    9,152.28/13,728.42 = 2,226.72/x
  3. Step 3: Cross multiply
    9,152.28x = 13,728.42 × 2,226.72
  4. Step 4: Simplify right side
    9,152.28x = 30,569,347.38
  5. Step 5: Solve for x
    x = 30,569,347.38/9,152.28
  6. Step 6: Final answer
    x = 3,340.08

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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.