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Finding the Fourth Proportional to 5,402.71, 8,105.37 and 2,769.13

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Solution

The fourth proportional to 5,402.71, 8,105.37 and 2,769.13 is: 4,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.71 : 8,105.37 = 2,769.13 : x
  2. Step 2: Convert to fraction form
    5,402.71/8,105.37 = 2,769.13/x
  3. Step 3: Cross multiply
    5,402.71x = 8,105.37 × 2,769.13
  4. Step 4: Simplify right side
    5,402.71x = 22,444,823.23
  5. Step 5: Solve for x
    x = 22,444,823.23/5,402.71
  6. Step 6: Final answer
    x = 4,154.36

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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.