Home / 7,723.88-10,658.92-4,187.10

Finding the Fourth Proportional to 7,723.88, 10,658.92 and 4,187.10

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Solution

The fourth proportional to 7,723.88, 10,658.92 and 4,187.10 is: 5,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.88 : 10,658.92 = 4,187.10 : x
  2. Step 2: Convert to fraction form
    7,723.88/10,658.92 = 4,187.10/x
  3. Step 3: Cross multiply
    7,723.88x = 10,658.92 × 4,187.10
  4. Step 4: Simplify right side
    7,723.88x = 44,629,963.93
  5. Step 5: Solve for x
    x = 44,629,963.93/7,723.88
  6. Step 6: Final answer
    x = 5,778.18

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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.