Home / 6,616.30-9,911.52-3,491.62

Finding the Fourth Proportional to 6,616.30, 9,911.52 and 3,491.62

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Solution

The fourth proportional to 6,616.30, 9,911.52 and 3,491.62 is: 5,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.30 : 9,911.52 = 3,491.62 : x
  2. Step 2: Convert to fraction form
    6,616.30/9,911.52 = 3,491.62/x
  3. Step 3: Cross multiply
    6,616.30x = 9,911.52 × 3,491.62
  4. Step 4: Simplify right side
    6,616.30x = 34,607,261.46
  5. Step 5: Solve for x
    x = 34,607,261.46/6,616.30
  6. Step 6: Final answer
    x = 5,230.61

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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.