Home / 5,177.29-7,766.94-1,668.22

Finding the Fourth Proportional to 5,177.29, 7,766.94 and 1,668.22

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Solution

The fourth proportional to 5,177.29, 7,766.94 and 1,668.22 is: 2,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.29 : 7,766.94 = 1,668.22 : x
  2. Step 2: Convert to fraction form
    5,177.29/7,766.94 = 1,668.22/x
  3. Step 3: Cross multiply
    5,177.29x = 7,766.94 × 1,668.22
  4. Step 4: Simplify right side
    5,177.29x = 12,956,964.65
  5. Step 5: Solve for x
    x = 12,956,964.65/5,177.29
  6. Step 6: Final answer
    x = 2,502.65

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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.