Home / 5,471.13-7,549.34-3,080.76

Finding the Fourth Proportional to 5,471.13, 7,549.34 and 3,080.76

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Solution

The fourth proportional to 5,471.13, 7,549.34 and 3,080.76 is: 4,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.13 : 7,549.34 = 3,080.76 : x
  2. Step 2: Convert to fraction form
    5,471.13/7,549.34 = 3,080.76/x
  3. Step 3: Cross multiply
    5,471.13x = 7,549.34 × 3,080.76
  4. Step 4: Simplify right side
    5,471.13x = 23,257,689.29
  5. Step 5: Solve for x
    x = 23,257,689.29/5,471.13
  6. Step 6: Final answer
    x = 4,250.98

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Double scale
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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.