Home / 4,382.12-6,575.28-2,191.16

Finding the Fourth Proportional to 4,382.12, 6,575.28 and 2,191.16

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Solution

The fourth proportional to 4,382.12, 6,575.28 and 2,191.16 is: 3,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.12 : 6,575.28 = 2,191.16 : x
  2. Step 2: Convert to fraction form
    4,382.12/6,575.28 = 2,191.16/x
  3. Step 3: Cross multiply
    4,382.12x = 6,575.28 × 2,191.16
  4. Step 4: Simplify right side
    4,382.12x = 14,407,490.52
  5. Step 5: Solve for x
    x = 14,407,490.52/4,382.12
  6. Step 6: Final answer
    x = 3,287.79

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Half scale
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Double scale
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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.