Home / 5,469.90-8,195.40-2,542.20

Finding the Fourth Proportional to 5,469.90, 8,195.40 and 2,542.20

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Solution

The fourth proportional to 5,469.90, 8,195.40 and 2,542.20 is: 3,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.90 : 8,195.40 = 2,542.20 : x
  2. Step 2: Convert to fraction form
    5,469.90/8,195.40 = 2,542.20/x
  3. Step 3: Cross multiply
    5,469.90x = 8,195.40 × 2,542.20
  4. Step 4: Simplify right side
    5,469.90x = 20,834,345.88
  5. Step 5: Solve for x
    x = 20,834,345.88/5,469.90
  6. Step 6: Final answer
    x = 3,808.91

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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.