Home / 5,111.20-7,668.17-1,824.32

Finding the Fourth Proportional to 5,111.20, 7,668.17 and 1,824.32

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Solution

The fourth proportional to 5,111.20, 7,668.17 and 1,824.32 is: 2,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.20 : 7,668.17 = 1,824.32 : x
  2. Step 2: Convert to fraction form
    5,111.20/7,668.17 = 1,824.32/x
  3. Step 3: Cross multiply
    5,111.20x = 7,668.17 × 1,824.32
  4. Step 4: Simplify right side
    5,111.20x = 13,989,212.78
  5. Step 5: Solve for x
    x = 13,989,212.78/5,111.20
  6. Step 6: Final answer
    x = 2,736.97

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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.