Home / 7,342.44-10,132.66-3,985.29

Finding the Fourth Proportional to 7,342.44, 10,132.66 and 3,985.29

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Solution

The fourth proportional to 7,342.44, 10,132.66 and 3,985.29 is: 5,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.44 : 10,132.66 = 3,985.29 : x
  2. Step 2: Convert to fraction form
    7,342.44/10,132.66 = 3,985.29/x
  3. Step 3: Cross multiply
    7,342.44x = 10,132.66 × 3,985.29
  4. Step 4: Simplify right side
    7,342.44x = 40,381,588.57
  5. Step 5: Solve for x
    x = 40,381,588.57/7,342.44
  6. Step 6: Final answer
    x = 5,499.75

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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.