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Finding the Fourth Proportional to 6,632.70, 9,949.02 and 3,159.42

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Solution

The fourth proportional to 6,632.70, 9,949.02 and 3,159.42 is: 4,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.70 : 9,949.02 = 3,159.42 : x
  2. Step 2: Convert to fraction form
    6,632.70/9,949.02 = 3,159.42/x
  3. Step 3: Cross multiply
    6,632.70x = 9,949.02 × 3,159.42
  4. Step 4: Simplify right side
    6,632.70x = 31,433,132.77
  5. Step 5: Solve for x
    x = 31,433,132.77/6,632.70
  6. Step 6: Final answer
    x = 4,739.12

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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.