Home / 8,627.26-12,943.63-3,080.49

Finding the Fourth Proportional to 8,627.26, 12,943.63 and 3,080.49

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Solution

The fourth proportional to 8,627.26, 12,943.63 and 3,080.49 is: 4,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.26 : 12,943.63 = 3,080.49 : x
  2. Step 2: Convert to fraction form
    8,627.26/12,943.63 = 3,080.49/x
  3. Step 3: Cross multiply
    8,627.26x = 12,943.63 × 3,080.49
  4. Step 4: Simplify right side
    8,627.26x = 39,872,722.78
  5. Step 5: Solve for x
    x = 39,872,722.78/8,627.26
  6. Step 6: Final answer
    x = 4,621.71

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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.