Home / 6,981.91-10,475.29-3,286.96

Finding the Fourth Proportional to 6,981.91, 10,475.29 and 3,286.96

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Solution

The fourth proportional to 6,981.91, 10,475.29 and 3,286.96 is: 4,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.91 : 10,475.29 = 3,286.96 : x
  2. Step 2: Convert to fraction form
    6,981.91/10,475.29 = 3,286.96/x
  3. Step 3: Cross multiply
    6,981.91x = 10,475.29 × 3,286.96
  4. Step 4: Simplify right side
    6,981.91x = 34,431,859.22
  5. Step 5: Solve for x
    x = 34,431,859.22/6,981.91
  6. Step 6: Final answer
    x = 4,931.58

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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.