Home / 5,668.98-7,823.68-3,151.28

Finding the Fourth Proportional to 5,668.98, 7,823.68 and 3,151.28

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Solution

The fourth proportional to 5,668.98, 7,823.68 and 3,151.28 is: 4,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.98 : 7,823.68 = 3,151.28 : x
  2. Step 2: Convert to fraction form
    5,668.98/7,823.68 = 3,151.28/x
  3. Step 3: Cross multiply
    5,668.98x = 7,823.68 × 3,151.28
  4. Step 4: Simplify right side
    5,668.98x = 24,654,606.31
  5. Step 5: Solve for x
    x = 24,654,606.31/5,668.98
  6. Step 6: Final answer
    x = 4,349.04

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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.