Home / 8,728.22-13,092.16-2,488.28

Finding the Fourth Proportional to 8,728.22, 13,092.16 and 2,488.28

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Solution

The fourth proportional to 8,728.22, 13,092.16 and 2,488.28 is: 3,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.22 : 13,092.16 = 2,488.28 : x
  2. Step 2: Convert to fraction form
    8,728.22/13,092.16 = 2,488.28/x
  3. Step 3: Cross multiply
    8,728.22x = 13,092.16 × 2,488.28
  4. Step 4: Simplify right side
    8,728.22x = 32,576,959.88
  5. Step 5: Solve for x
    x = 32,576,959.88/8,728.22
  6. Step 6: Final answer
    x = 3,732.37

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1.5x scale

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.