Home / 5,040.92-7,561.87-1,343.38

Finding the Fourth Proportional to 5,040.92, 7,561.87 and 1,343.38

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Solution

The fourth proportional to 5,040.92, 7,561.87 and 1,343.38 is: 2,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.92 : 7,561.87 = 1,343.38 : x
  2. Step 2: Convert to fraction form
    5,040.92/7,561.87 = 1,343.38/x
  3. Step 3: Cross multiply
    5,040.92x = 7,561.87 × 1,343.38
  4. Step 4: Simplify right side
    5,040.92x = 10,158,442.66
  5. Step 5: Solve for x
    x = 10,158,442.66/5,040.92
  6. Step 6: Final answer
    x = 2,015.20

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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.