Home / 5,517.24-7,613.64-3,159.60

Finding the Fourth Proportional to 5,517.24, 7,613.64 and 3,159.60

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Solution

The fourth proportional to 5,517.24, 7,613.64 and 3,159.60 is: 4,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.24 : 7,613.64 = 3,159.60 : x
  2. Step 2: Convert to fraction form
    5,517.24/7,613.64 = 3,159.60/x
  3. Step 3: Cross multiply
    5,517.24x = 7,613.64 × 3,159.60
  4. Step 4: Simplify right side
    5,517.24x = 24,056,056.94
  5. Step 5: Solve for x
    x = 24,056,056.94/5,517.24
  6. Step 6: Final answer
    x = 4,360.16

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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.