Home / 5,026.74-7,540.11-3,189.66

Finding the Fourth Proportional to 5,026.74, 7,540.11 and 3,189.66

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Solution

The fourth proportional to 5,026.74, 7,540.11 and 3,189.66 is: 4,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.74 : 7,540.11 = 3,189.66 : x
  2. Step 2: Convert to fraction form
    5,026.74/7,540.11 = 3,189.66/x
  3. Step 3: Cross multiply
    5,026.74x = 7,540.11 × 3,189.66
  4. Step 4: Simplify right side
    5,026.74x = 24,050,387.26
  5. Step 5: Solve for x
    x = 24,050,387.26/5,026.74
  6. Step 6: Final answer
    x = 4,784.49

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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.