Home / 5,488.26-8,233.20-2,891.40

Finding the Fourth Proportional to 5,488.26, 8,233.20 and 2,891.40

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Solution

The fourth proportional to 5,488.26, 8,233.20 and 2,891.40 is: 4,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.26 : 8,233.20 = 2,891.40 : x
  2. Step 2: Convert to fraction form
    5,488.26/8,233.20 = 2,891.40/x
  3. Step 3: Cross multiply
    5,488.26x = 8,233.20 × 2,891.40
  4. Step 4: Simplify right side
    5,488.26x = 23,805,474.48
  5. Step 5: Solve for x
    x = 23,805,474.48/5,488.26
  6. Step 6: Final answer
    x = 4,337.53

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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.