Home / 7,343.14-10,133.42-3,985.96

Finding the Fourth Proportional to 7,343.14, 10,133.42 and 3,985.96

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Solution

The fourth proportional to 7,343.14, 10,133.42 and 3,985.96 is: 5,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.14 : 10,133.42 = 3,985.96 : x
  2. Step 2: Convert to fraction form
    7,343.14/10,133.42 = 3,985.96/x
  3. Step 3: Cross multiply
    7,343.14x = 10,133.42 × 3,985.96
  4. Step 4: Simplify right side
    7,343.14x = 40,391,356.12
  5. Step 5: Solve for x
    x = 40,391,356.12/7,343.14
  6. Step 6: Final answer
    x = 5,500.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.