Home / 5,517.20-8,266.08-3,782.36

Finding the Fourth Proportional to 5,517.20, 8,266.08 and 3,782.36

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Solution

The fourth proportional to 5,517.20, 8,266.08 and 3,782.36 is: 5,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.20 : 8,266.08 = 3,782.36 : x
  2. Step 2: Convert to fraction form
    5,517.20/8,266.08 = 3,782.36/x
  3. Step 3: Cross multiply
    5,517.20x = 8,266.08 × 3,782.36
  4. Step 4: Simplify right side
    5,517.20x = 31,265,290.35
  5. Step 5: Solve for x
    x = 31,265,290.35/5,517.20
  6. Step 6: Final answer
    x = 5,666.88

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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.