Home / 4,282.38-6,423.57-3,422.16

Finding the Fourth Proportional to 4,282.38, 6,423.57 and 3,422.16

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Solution

The fourth proportional to 4,282.38, 6,423.57 and 3,422.16 is: 5,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.38 : 6,423.57 = 3,422.16 : x
  2. Step 2: Convert to fraction form
    4,282.38/6,423.57 = 3,422.16/x
  3. Step 3: Cross multiply
    4,282.38x = 6,423.57 × 3,422.16
  4. Step 4: Simplify right side
    4,282.38x = 21,982,484.31
  5. Step 5: Solve for x
    x = 21,982,484.31/4,282.38
  6. Step 6: Final answer
    x = 5,133.24

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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.