Home / 5,443.80-7,512.78-3,319.03

Finding the Fourth Proportional to 5,443.80, 7,512.78 and 3,319.03

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Solution

The fourth proportional to 5,443.80, 7,512.78 and 3,319.03 is: 4,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.80 : 7,512.78 = 3,319.03 : x
  2. Step 2: Convert to fraction form
    5,443.80/7,512.78 = 3,319.03/x
  3. Step 3: Cross multiply
    5,443.80x = 7,512.78 × 3,319.03
  4. Step 4: Simplify right side
    5,443.80x = 24,935,142.20
  5. Step 5: Solve for x
    x = 24,935,142.20/5,443.80
  6. Step 6: Final answer
    x = 4,580.47

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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.