Home / 4,002.30-6,001.29-1,809.90

Finding the Fourth Proportional to 4,002.30, 6,001.29 and 1,809.90

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Solution

The fourth proportional to 4,002.30, 6,001.29 and 1,809.90 is: 2,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.30 : 6,001.29 = 1,809.90 : x
  2. Step 2: Convert to fraction form
    4,002.30/6,001.29 = 1,809.90/x
  3. Step 3: Cross multiply
    4,002.30x = 6,001.29 × 1,809.90
  4. Step 4: Simplify right side
    4,002.30x = 10,861,734.77
  5. Step 5: Solve for x
    x = 10,861,734.77/4,002.30
  6. Step 6: Final answer
    x = 2,713.87

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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.