Home / 8,627.25-12,943.61-2,784.32

Finding the Fourth Proportional to 8,627.25, 12,943.61 and 2,784.32

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Solution

The fourth proportional to 8,627.25, 12,943.61 and 2,784.32 is: 4,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.25 : 12,943.61 = 2,784.32 : x
  2. Step 2: Convert to fraction form
    8,627.25/12,943.61 = 2,784.32/x
  3. Step 3: Cross multiply
    8,627.25x = 12,943.61 × 2,784.32
  4. Step 4: Simplify right side
    8,627.25x = 36,039,073.56
  5. Step 5: Solve for x
    x = 36,039,073.56/8,627.25
  6. Step 6: Final answer
    x = 4,177.35

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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.