Home / 9,078.74-13,618.19-2,504.78

Finding the Fourth Proportional to 9,078.74, 13,618.19 and 2,504.78

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Solution

The fourth proportional to 9,078.74, 13,618.19 and 2,504.78 is: 3,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.74 : 13,618.19 = 2,504.78 : x
  2. Step 2: Convert to fraction form
    9,078.74/13,618.19 = 2,504.78/x
  3. Step 3: Cross multiply
    9,078.74x = 13,618.19 × 2,504.78
  4. Step 4: Simplify right side
    9,078.74x = 34,110,569.95
  5. Step 5: Solve for x
    x = 34,110,569.95/9,078.74
  6. Step 6: Final answer
    x = 3,757.19

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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.