Home / 4,139.02-6,209.29-1,365.88

Finding the Fourth Proportional to 4,139.02, 6,209.29 and 1,365.88

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Solution

The fourth proportional to 4,139.02, 6,209.29 and 1,365.88 is: 2,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.02 : 6,209.29 = 1,365.88 : x
  2. Step 2: Convert to fraction form
    4,139.02/6,209.29 = 1,365.88/x
  3. Step 3: Cross multiply
    4,139.02x = 6,209.29 × 1,365.88
  4. Step 4: Simplify right side
    4,139.02x = 8,481,141.61
  5. Step 5: Solve for x
    x = 8,481,141.61/4,139.02
  6. Step 6: Final answer
    x = 2,049.07

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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.