Home / 5,537.20-8,305.80-5,488.60

Finding the Fourth Proportional to 5,537.20, 8,305.80 and 5,488.60

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Solution

The fourth proportional to 5,537.20, 8,305.80 and 5,488.60 is: 8,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.20 : 8,305.80 = 5,488.60 : x
  2. Step 2: Convert to fraction form
    5,537.20/8,305.80 = 5,488.60/x
  3. Step 3: Cross multiply
    5,537.20x = 8,305.80 × 5,488.60
  4. Step 4: Simplify right side
    5,537.20x = 45,587,213.88
  5. Step 5: Solve for x
    x = 45,587,213.88/5,537.20
  6. Step 6: Final answer
    x = 8,232.90

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1.5x scale

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.