Home / 5,538.80-8,298.12-3,223.28

Finding the Fourth Proportional to 5,538.80, 8,298.12 and 3,223.28

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Solution

The fourth proportional to 5,538.80, 8,298.12 and 3,223.28 is: 4,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.80 : 8,298.12 = 3,223.28 : x
  2. Step 2: Convert to fraction form
    5,538.80/8,298.12 = 3,223.28/x
  3. Step 3: Cross multiply
    5,538.80x = 8,298.12 × 3,223.28
  4. Step 4: Simplify right side
    5,538.80x = 26,747,164.23
  5. Step 5: Solve for x
    x = 26,747,164.23/5,538.80
  6. Step 6: Final answer
    x = 4,829.05

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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.