Home / 7,787.22-10,744.38-4,761.54

Finding the Fourth Proportional to 7,787.22, 10,744.38 and 4,761.54

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Solution

The fourth proportional to 7,787.22, 10,744.38 and 4,761.54 is: 6,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.22 : 10,744.38 = 4,761.54 : x
  2. Step 2: Convert to fraction form
    7,787.22/10,744.38 = 4,761.54/x
  3. Step 3: Cross multiply
    7,787.22x = 10,744.38 × 4,761.54
  4. Step 4: Simplify right side
    7,787.22x = 51,159,795.15
  5. Step 5: Solve for x
    x = 51,159,795.15/7,787.22
  6. Step 6: Final answer
    x = 6,569.71

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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.