Home / 7,147.64-10,713.47-3,202.13

Finding the Fourth Proportional to 7,147.64, 10,713.47 and 3,202.13

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Solution

The fourth proportional to 7,147.64, 10,713.47 and 3,202.13 is: 4,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.64 : 10,713.47 = 3,202.13 : x
  2. Step 2: Convert to fraction form
    7,147.64/10,713.47 = 3,202.13/x
  3. Step 3: Cross multiply
    7,147.64x = 10,713.47 × 3,202.13
  4. Step 4: Simplify right side
    7,147.64x = 34,305,934.46
  5. Step 5: Solve for x
    x = 34,305,934.46/7,147.64
  6. Step 6: Final answer
    x = 4,799.62

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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.