Home / 8,127.30-12,191.71-2,283.88

Finding the Fourth Proportional to 8,127.30, 12,191.71 and 2,283.88

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Solution

The fourth proportional to 8,127.30, 12,191.71 and 2,283.88 is: 3,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.30 : 12,191.71 = 2,283.88 : x
  2. Step 2: Convert to fraction form
    8,127.30/12,191.71 = 2,283.88/x
  3. Step 3: Cross multiply
    8,127.30x = 12,191.71 × 2,283.88
  4. Step 4: Simplify right side
    8,127.30x = 27,844,402.63
  5. Step 5: Solve for x
    x = 27,844,402.63/8,127.30
  6. Step 6: Final answer
    x = 3,426.03

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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.