Home / 6,929.19-10,387.99-3,229.51

Finding the Fourth Proportional to 6,929.19, 10,387.99 and 3,229.51

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Solution

The fourth proportional to 6,929.19, 10,387.99 and 3,229.51 is: 4,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.19 : 10,387.99 = 3,229.51 : x
  2. Step 2: Convert to fraction form
    6,929.19/10,387.99 = 3,229.51/x
  3. Step 3: Cross multiply
    6,929.19x = 10,387.99 × 3,229.51
  4. Step 4: Simplify right side
    6,929.19x = 33,548,117.58
  5. Step 5: Solve for x
    x = 33,548,117.58/6,929.19
  6. Step 6: Final answer
    x = 4,841.56

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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.