Home / 5,516.60-7,613.04-3,159.50

Finding the Fourth Proportional to 5,516.60, 7,613.04 and 3,159.50

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Solution

The fourth proportional to 5,516.60, 7,613.04 and 3,159.50 is: 4,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.60 : 7,613.04 = 3,159.50 : x
  2. Step 2: Convert to fraction form
    5,516.60/7,613.04 = 3,159.50/x
  3. Step 3: Cross multiply
    5,516.60x = 7,613.04 × 3,159.50
  4. Step 4: Simplify right side
    5,516.60x = 24,053,399.88
  5. Step 5: Solve for x
    x = 24,053,399.88/5,516.60
  6. Step 6: Final answer
    x = 4,360.19

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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.