Home / 5,517.48-7,613.93-3,159.17

Finding the Fourth Proportional to 5,517.48, 7,613.93 and 3,159.17

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Solution

The fourth proportional to 5,517.48, 7,613.93 and 3,159.17 is: 4,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.48 : 7,613.93 = 3,159.17 : x
  2. Step 2: Convert to fraction form
    5,517.48/7,613.93 = 3,159.17/x
  3. Step 3: Cross multiply
    5,517.48x = 7,613.93 × 3,159.17
  4. Step 4: Simplify right side
    5,517.48x = 24,053,699.24
  5. Step 5: Solve for x
    x = 24,053,699.24/5,517.48
  6. Step 6: Final answer
    x = 4,359.54

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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.