Home / 7,419.62-11,129.44-4,498.76

Finding the Fourth Proportional to 7,419.62, 11,129.44 and 4,498.76

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Solution

The fourth proportional to 7,419.62, 11,129.44 and 4,498.76 is: 6,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.62 : 11,129.44 = 4,498.76 : x
  2. Step 2: Convert to fraction form
    7,419.62/11,129.44 = 4,498.76/x
  3. Step 3: Cross multiply
    7,419.62x = 11,129.44 × 4,498.76
  4. Step 4: Simplify right side
    7,419.62x = 50,068,679.49
  5. Step 5: Solve for x
    x = 50,068,679.49/7,419.62
  6. Step 6: Final answer
    x = 6,748.15

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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.