Home / 5,116.32-7,668.72-2,521.08

Finding the Fourth Proportional to 5,116.32, 7,668.72 and 2,521.08

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Solution

The fourth proportional to 5,116.32, 7,668.72 and 2,521.08 is: 3,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.32 : 7,668.72 = 2,521.08 : x
  2. Step 2: Convert to fraction form
    5,116.32/7,668.72 = 2,521.08/x
  3. Step 3: Cross multiply
    5,116.32x = 7,668.72 × 2,521.08
  4. Step 4: Simplify right side
    5,116.32x = 19,333,456.62
  5. Step 5: Solve for x
    x = 19,333,456.62/5,116.32
  6. Step 6: Final answer
    x = 3,778.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.