Home / 8,220.97-12,332.63-2,672.52

Finding the Fourth Proportional to 8,220.97, 12,332.63 and 2,672.52

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Solution

The fourth proportional to 8,220.97, 12,332.63 and 2,672.52 is: 4,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.97 : 12,332.63 = 2,672.52 : x
  2. Step 2: Convert to fraction form
    8,220.97/12,332.63 = 2,672.52/x
  3. Step 3: Cross multiply
    8,220.97x = 12,332.63 × 2,672.52
  4. Step 4: Simplify right side
    8,220.97x = 32,959,200.33
  5. Step 5: Solve for x
    x = 32,959,200.33/8,220.97
  6. Step 6: Final answer
    x = 4,009.16

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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.