Home / 5,618.13-8,371.11-5,366.61

Finding the Fourth Proportional to 5,618.13, 8,371.11 and 5,366.61

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Solution

The fourth proportional to 5,618.13, 8,371.11 and 5,366.61 is: 7,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.13 : 8,371.11 = 5,366.61 : x
  2. Step 2: Convert to fraction form
    5,618.13/8,371.11 = 5,366.61/x
  3. Step 3: Cross multiply
    5,618.13x = 8,371.11 × 5,366.61
  4. Step 4: Simplify right side
    5,618.13x = 44,924,482.64
  5. Step 5: Solve for x
    x = 44,924,482.64/5,618.13
  6. Step 6: Final answer
    x = 7,996.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.