Home / 4,321.11-6,479.35-1,359.00

Finding the Fourth Proportional to 4,321.11, 6,479.35 and 1,359.00

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Solution

The fourth proportional to 4,321.11, 6,479.35 and 1,359.00 is: 2,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.11 : 6,479.35 = 1,359.00 : x
  2. Step 2: Convert to fraction form
    4,321.11/6,479.35 = 1,359.00/x
  3. Step 3: Cross multiply
    4,321.11x = 6,479.35 × 1,359.00
  4. Step 4: Simplify right side
    4,321.11x = 8,805,461.03
  5. Step 5: Solve for x
    x = 8,805,461.03/4,321.11
  6. Step 6: Final answer
    x = 2,037.78

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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.