Home / 7,723.86-10,658.91-4,187.10

Finding the Fourth Proportional to 7,723.86, 10,658.91 and 4,187.10

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Solution

The fourth proportional to 7,723.86, 10,658.91 and 4,187.10 is: 5,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.86 : 10,658.91 = 4,187.10 : x
  2. Step 2: Convert to fraction form
    7,723.86/10,658.91 = 4,187.10/x
  3. Step 3: Cross multiply
    7,723.86x = 10,658.91 × 4,187.10
  4. Step 4: Simplify right side
    7,723.86x = 44,629,922.06
  5. Step 5: Solve for x
    x = 44,629,922.06/7,723.86
  6. Step 6: Final answer
    x = 5,778.19

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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.