Home / 7,766.31-10,717.38-4,229.45

Finding the Fourth Proportional to 7,766.31, 10,717.38 and 4,229.45

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Solution

The fourth proportional to 7,766.31, 10,717.38 and 4,229.45 is: 5,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.31 : 10,717.38 = 4,229.45 : x
  2. Step 2: Convert to fraction form
    7,766.31/10,717.38 = 4,229.45/x
  3. Step 3: Cross multiply
    7,766.31x = 10,717.38 × 4,229.45
  4. Step 4: Simplify right side
    7,766.31x = 45,328,569.25
  5. Step 5: Solve for x
    x = 45,328,569.25/7,766.31
  6. Step 6: Final answer
    x = 5,836.56

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1.5x scale

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.