Home / 7,766.16-10,717.34-4,229.36

Finding the Fourth Proportional to 7,766.16, 10,717.34 and 4,229.36

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Solution

The fourth proportional to 7,766.16, 10,717.34 and 4,229.36 is: 5,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.16 : 10,717.34 = 4,229.36 : x
  2. Step 2: Convert to fraction form
    7,766.16/10,717.34 = 4,229.36/x
  3. Step 3: Cross multiply
    7,766.16x = 10,717.34 × 4,229.36
  4. Step 4: Simplify right side
    7,766.16x = 45,327,489.10
  5. Step 5: Solve for x
    x = 45,327,489.10/7,766.16
  6. Step 6: Final answer
    x = 5,836.54

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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.