Home / 5,503.72-7,595.68-3,146.20

Finding the Fourth Proportional to 5,503.72, 7,595.68 and 3,146.20

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Solution

The fourth proportional to 5,503.72, 7,595.68 and 3,146.20 is: 4,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.72 : 7,595.68 = 3,146.20 : x
  2. Step 2: Convert to fraction form
    5,503.72/7,595.68 = 3,146.20/x
  3. Step 3: Cross multiply
    5,503.72x = 7,595.68 × 3,146.20
  4. Step 4: Simplify right side
    5,503.72x = 23,897,528.42
  5. Step 5: Solve for x
    x = 23,897,528.42/5,503.72
  6. Step 6: Final answer
    x = 4,342.07

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.