Home / 5,517.66-7,616.88-3,530.91

Finding the Fourth Proportional to 5,517.66, 7,616.88 and 3,530.91

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Solution

The fourth proportional to 5,517.66, 7,616.88 and 3,530.91 is: 4,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.66 : 7,616.88 = 3,530.91 : x
  2. Step 2: Convert to fraction form
    5,517.66/7,616.88 = 3,530.91/x
  3. Step 3: Cross multiply
    5,517.66x = 7,616.88 × 3,530.91
  4. Step 4: Simplify right side
    5,517.66x = 26,894,517.76
  5. Step 5: Solve for x
    x = 26,894,517.76/5,517.66
  6. Step 6: Final answer
    x = 4,874.26

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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.