Home / 5,517.36-7,613.56-3,159.44

Finding the Fourth Proportional to 5,517.36, 7,613.56 and 3,159.44

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Solution

The fourth proportional to 5,517.36, 7,613.56 and 3,159.44 is: 4,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.36 : 7,613.56 = 3,159.44 : x
  2. Step 2: Convert to fraction form
    5,517.36/7,613.56 = 3,159.44/x
  3. Step 3: Cross multiply
    5,517.36x = 7,613.56 × 3,159.44
  4. Step 4: Simplify right side
    5,517.36x = 24,054,586.01
  5. Step 5: Solve for x
    x = 24,054,586.01/5,517.36
  6. Step 6: Final answer
    x = 4,359.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.