Home / 5,034.60-7,551.90-2,112.12

Finding the Fourth Proportional to 5,034.60, 7,551.90 and 2,112.12

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Solution

The fourth proportional to 5,034.60, 7,551.90 and 2,112.12 is: 3,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034.60 : 7,551.90 = 2,112.12 : x
  2. Step 2: Convert to fraction form
    5,034.60/7,551.90 = 2,112.12/x
  3. Step 3: Cross multiply
    5,034.60x = 7,551.90 × 2,112.12
  4. Step 4: Simplify right side
    5,034.60x = 15,950,519.03
  5. Step 5: Solve for x
    x = 15,950,519.03/5,034.60
  6. Step 6: Final answer
    x = 3,168.18

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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.