Home / 9,098.09-13,640.39-2,854.55

Finding the Fourth Proportional to 9,098.09, 13,640.39 and 2,854.55

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Solution

The fourth proportional to 9,098.09, 13,640.39 and 2,854.55 is: 4,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.09 : 13,640.39 = 2,854.55 : x
  2. Step 2: Convert to fraction form
    9,098.09/13,640.39 = 2,854.55/x
  3. Step 3: Cross multiply
    9,098.09x = 13,640.39 × 2,854.55
  4. Step 4: Simplify right side
    9,098.09x = 38,937,134.66
  5. Step 5: Solve for x
    x = 38,937,134.66/9,098.09
  6. Step 6: Final answer
    x = 4,279.70

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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.