Home / 5,311.16-7,966.22-1,613.42

Finding the Fourth Proportional to 5,311.16, 7,966.22 and 1,613.42

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Solution

The fourth proportional to 5,311.16, 7,966.22 and 1,613.42 is: 2,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.16 : 7,966.22 = 1,613.42 : x
  2. Step 2: Convert to fraction form
    5,311.16/7,966.22 = 1,613.42/x
  3. Step 3: Cross multiply
    5,311.16x = 7,966.22 × 1,613.42
  4. Step 4: Simplify right side
    5,311.16x = 12,852,810.77
  5. Step 5: Solve for x
    x = 12,852,810.77/5,311.16
  6. Step 6: Final answer
    x = 2,419.97

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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.