Home / 9,126.78-13,690.92-2,552.95

Finding the Fourth Proportional to 9,126.78, 13,690.92 and 2,552.95

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Solution

The fourth proportional to 9,126.78, 13,690.92 and 2,552.95 is: 3,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.78 : 13,690.92 = 2,552.95 : x
  2. Step 2: Convert to fraction form
    9,126.78/13,690.92 = 2,552.95/x
  3. Step 3: Cross multiply
    9,126.78x = 13,690.92 × 2,552.95
  4. Step 4: Simplify right side
    9,126.78x = 34,952,260.90
  5. Step 5: Solve for x
    x = 34,952,260.90/9,126.78
  6. Step 6: Final answer
    x = 3,829.64

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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.