Home / 5,613.30-8,419.92-1,717.71

Finding the Fourth Proportional to 5,613.30, 8,419.92 and 1,717.71

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Solution

The fourth proportional to 5,613.30, 8,419.92 and 1,717.71 is: 2,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.30 : 8,419.92 = 1,717.71 : x
  2. Step 2: Convert to fraction form
    5,613.30/8,419.92 = 1,717.71/x
  3. Step 3: Cross multiply
    5,613.30x = 8,419.92 × 1,717.71
  4. Step 4: Simplify right side
    5,613.30x = 14,462,942.77
  5. Step 5: Solve for x
    x = 14,462,942.77/5,613.30
  6. Step 6: Final answer
    x = 2,576.55

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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.