Home / 5,475.90-8,204.40-2,548.20

Finding the Fourth Proportional to 5,475.90, 8,204.40 and 2,548.20

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Solution

The fourth proportional to 5,475.90, 8,204.40 and 2,548.20 is: 3,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.90 : 8,204.40 = 2,548.20 : x
  2. Step 2: Convert to fraction form
    5,475.90/8,204.40 = 2,548.20/x
  3. Step 3: Cross multiply
    5,475.90x = 8,204.40 × 2,548.20
  4. Step 4: Simplify right side
    5,475.90x = 20,906,452.08
  5. Step 5: Solve for x
    x = 20,906,452.08/5,475.90
  6. Step 6: Final answer
    x = 3,817.90

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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.