Home / 7,040.57-10,566-3,342.78

Finding the Fourth Proportional to 7,040.57, 10,566 and 3,342.78

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Solution

The fourth proportional to 7,040.57, 10,566 and 3,342.78 is: 5,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.57 : 10,566 = 3,342.78 : x
  2. Step 2: Convert to fraction form
    7,040.57/10,566 = 3,342.78/x
  3. Step 3: Cross multiply
    7,040.57x = 10,566 × 3,342.78
  4. Step 4: Simplify right side
    7,040.57x = 35,319,813.48
  5. Step 5: Solve for x
    x = 35,319,813.48/7,040.57
  6. Step 6: Final answer
    x = 5,016.62

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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.