Home / 9,080.20-13,616.56-2,838.08

Finding the Fourth Proportional to 9,080.20, 13,616.56 and 2,838.08

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Solution

The fourth proportional to 9,080.20, 13,616.56 and 2,838.08 is: 4,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.20 : 13,616.56 = 2,838.08 : x
  2. Step 2: Convert to fraction form
    9,080.20/13,616.56 = 2,838.08/x
  3. Step 3: Cross multiply
    9,080.20x = 13,616.56 × 2,838.08
  4. Step 4: Simplify right side
    9,080.20x = 38,644,886.60
  5. Step 5: Solve for x
    x = 38,644,886.60/9,080.20
  6. Step 6: Final answer
    x = 4,255.95

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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.