Home / 7,766.29-10,717.49-4,229.51

Finding the Fourth Proportional to 7,766.29, 10,717.49 and 4,229.51

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Solution

The fourth proportional to 7,766.29, 10,717.49 and 4,229.51 is: 5,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.29 : 10,717.49 = 4,229.51 : x
  2. Step 2: Convert to fraction form
    7,766.29/10,717.49 = 4,229.51/x
  3. Step 3: Cross multiply
    7,766.29x = 10,717.49 × 4,229.51
  4. Step 4: Simplify right side
    7,766.29x = 45,329,709.98
  5. Step 5: Solve for x
    x = 45,329,709.98/7,766.29
  6. Step 6: Final answer
    x = 5,836.73

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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.