Home / 5,040.28-7,560.40-1,342.50

Finding the Fourth Proportional to 5,040.28, 7,560.40 and 1,342.50

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Solution

The fourth proportional to 5,040.28, 7,560.40 and 1,342.50 is: 2,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.28 : 7,560.40 = 1,342.50 : x
  2. Step 2: Convert to fraction form
    5,040.28/7,560.40 = 1,342.50/x
  3. Step 3: Cross multiply
    5,040.28x = 7,560.40 × 1,342.50
  4. Step 4: Simplify right side
    5,040.28x = 10,149,837
  5. Step 5: Solve for x
    x = 10,149,837/5,040.28
  6. Step 6: Final answer
    x = 2,013.74

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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.