Home / 5,981.29-8,959.57-3,508.66

Finding the Fourth Proportional to 5,981.29, 8,959.57 and 3,508.66

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Solution

The fourth proportional to 5,981.29, 8,959.57 and 3,508.66 is: 5,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.29 : 8,959.57 = 3,508.66 : x
  2. Step 2: Convert to fraction form
    5,981.29/8,959.57 = 3,508.66/x
  3. Step 3: Cross multiply
    5,981.29x = 8,959.57 × 3,508.66
  4. Step 4: Simplify right side
    5,981.29x = 31,436,084.88
  5. Step 5: Solve for x
    x = 31,436,084.88/5,981.29
  6. Step 6: Final answer
    x = 5,255.74

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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.