Home / 7,723.60-10,658.58-4,186.82

Finding the Fourth Proportional to 7,723.60, 10,658.58 and 4,186.82

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Solution

The fourth proportional to 7,723.60, 10,658.58 and 4,186.82 is: 5,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.60 : 10,658.58 = 4,186.82 : x
  2. Step 2: Convert to fraction form
    7,723.60/10,658.58 = 4,186.82/x
  3. Step 3: Cross multiply
    7,723.60x = 10,658.58 × 4,186.82
  4. Step 4: Simplify right side
    7,723.60x = 44,625,555.92
  5. Step 5: Solve for x
    x = 44,625,555.92/7,723.60
  6. Step 6: Final answer
    x = 5,777.82

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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.