Home / 5,652.38-8,478.58-2,728.63

Finding the Fourth Proportional to 5,652.38, 8,478.58 and 2,728.63

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Solution

The fourth proportional to 5,652.38, 8,478.58 and 2,728.63 is: 4,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.38 : 8,478.58 = 2,728.63 : x
  2. Step 2: Convert to fraction form
    5,652.38/8,478.58 = 2,728.63/x
  3. Step 3: Cross multiply
    5,652.38x = 8,478.58 × 2,728.63
  4. Step 4: Simplify right side
    5,652.38x = 23,134,907.75
  5. Step 5: Solve for x
    x = 23,134,907.75/5,652.38
  6. Step 6: Final answer
    x = 4,092.95

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Half scale
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Double scale
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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.