Home / 7,731.29-10,669.21-4,194.50

Finding the Fourth Proportional to 7,731.29, 10,669.21 and 4,194.50

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Solution

The fourth proportional to 7,731.29, 10,669.21 and 4,194.50 is: 5,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.29 : 10,669.21 = 4,194.50 : x
  2. Step 2: Convert to fraction form
    7,731.29/10,669.21 = 4,194.50/x
  3. Step 3: Cross multiply
    7,731.29x = 10,669.21 × 4,194.50
  4. Step 4: Simplify right side
    7,731.29x = 44,752,001.35
  5. Step 5: Solve for x
    x = 44,752,001.35/7,731.29
  6. Step 6: Final answer
    x = 5,788.43

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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.