Home / 6,650.18-9,966.79-3,531.68

Finding the Fourth Proportional to 6,650.18, 9,966.79 and 3,531.68

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Solution

The fourth proportional to 6,650.18, 9,966.79 and 3,531.68 is: 5,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.18 : 9,966.79 = 3,531.68 : x
  2. Step 2: Convert to fraction form
    6,650.18/9,966.79 = 3,531.68/x
  3. Step 3: Cross multiply
    6,650.18x = 9,966.79 × 3,531.68
  4. Step 4: Simplify right side
    6,650.18x = 35,199,512.91
  5. Step 5: Solve for x
    x = 35,199,512.91/6,650.18
  6. Step 6: Final answer
    x = 5,293.02

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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.