Home / 7,286.45-10,931.22-4,167.95

Finding the Fourth Proportional to 7,286.45, 10,931.22 and 4,167.95

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Solution

The fourth proportional to 7,286.45, 10,931.22 and 4,167.95 is: 6,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.45 : 10,931.22 = 4,167.95 : x
  2. Step 2: Convert to fraction form
    7,286.45/10,931.22 = 4,167.95/x
  3. Step 3: Cross multiply
    7,286.45x = 10,931.22 × 4,167.95
  4. Step 4: Simplify right side
    7,286.45x = 45,560,723.74
  5. Step 5: Solve for x
    x = 45,560,723.74/7,286.45
  6. Step 6: Final answer
    x = 6,252.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.