Home / 6,399.80-9,587.24-3,618.06

Finding the Fourth Proportional to 6,399.80, 9,587.24 and 3,618.06

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Solution

The fourth proportional to 6,399.80, 9,587.24 and 3,618.06 is: 5,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.80 : 9,587.24 = 3,618.06 : x
  2. Step 2: Convert to fraction form
    6,399.80/9,587.24 = 3,618.06/x
  3. Step 3: Cross multiply
    6,399.80x = 9,587.24 × 3,618.06
  4. Step 4: Simplify right side
    6,399.80x = 34,687,169.08
  5. Step 5: Solve for x
    x = 34,687,169.08/6,399.80
  6. Step 6: Final answer
    x = 5,420.04

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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.