Home / 4,358.20-6,540-1,761.16

Finding the Fourth Proportional to 4,358.20, 6,540 and 1,761.16

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Solution

The fourth proportional to 4,358.20, 6,540 and 1,761.16 is: 2,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.20 : 6,540 = 1,761.16 : x
  2. Step 2: Convert to fraction form
    4,358.20/6,540 = 1,761.16/x
  3. Step 3: Cross multiply
    4,358.20x = 6,540 × 1,761.16
  4. Step 4: Simplify right side
    4,358.20x = 11,517,986.40
  5. Step 5: Solve for x
    x = 11,517,986.40/4,358.20
  6. Step 6: Final answer
    x = 2,642.83

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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.