Home / 9,124.89-13,687.38-2,551.10

Finding the Fourth Proportional to 9,124.89, 13,687.38 and 2,551.10

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Solution

The fourth proportional to 9,124.89, 13,687.38 and 2,551.10 is: 3,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.89 : 13,687.38 = 2,551.10 : x
  2. Step 2: Convert to fraction form
    9,124.89/13,687.38 = 2,551.10/x
  3. Step 3: Cross multiply
    9,124.89x = 13,687.38 × 2,551.10
  4. Step 4: Simplify right side
    9,124.89x = 34,917,806.68
  5. Step 5: Solve for x
    x = 34,917,806.68/9,124.89
  6. Step 6: Final answer
    x = 3,826.66

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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.