Home / 7,461.12-11,191.68-2,530.76

Finding the Fourth Proportional to 7,461.12, 11,191.68 and 2,530.76

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Solution

The fourth proportional to 7,461.12, 11,191.68 and 2,530.76 is: 3,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.12 : 11,191.68 = 2,530.76 : x
  2. Step 2: Convert to fraction form
    7,461.12/11,191.68 = 2,530.76/x
  3. Step 3: Cross multiply
    7,461.12x = 11,191.68 × 2,530.76
  4. Step 4: Simplify right side
    7,461.12x = 28,323,456.08
  5. Step 5: Solve for x
    x = 28,323,456.08/7,461.12
  6. Step 6: Final answer
    x = 3,796.14

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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.