Home / 7,102.68-10,654.56-3,642.36

Finding the Fourth Proportional to 7,102.68, 10,654.56 and 3,642.36

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Solution

The fourth proportional to 7,102.68, 10,654.56 and 3,642.36 is: 5,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.68 : 10,654.56 = 3,642.36 : x
  2. Step 2: Convert to fraction form
    7,102.68/10,654.56 = 3,642.36/x
  3. Step 3: Cross multiply
    7,102.68x = 10,654.56 × 3,642.36
  4. Step 4: Simplify right side
    7,102.68x = 38,807,743.16
  5. Step 5: Solve for x
    x = 38,807,743.16/7,102.68
  6. Step 6: Final answer
    x = 5,463.82

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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.