Home / 6,981.45-9,634.47-3,794.76

Finding the Fourth Proportional to 6,981.45, 9,634.47 and 3,794.76

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Solution

The fourth proportional to 6,981.45, 9,634.47 and 3,794.76 is: 5,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.45 : 9,634.47 = 3,794.76 : x
  2. Step 2: Convert to fraction form
    6,981.45/9,634.47 = 3,794.76/x
  3. Step 3: Cross multiply
    6,981.45x = 9,634.47 × 3,794.76
  4. Step 4: Simplify right side
    6,981.45x = 36,560,501.38
  5. Step 5: Solve for x
    x = 36,560,501.38/6,981.45
  6. Step 6: Final answer
    x = 5,236.81

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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.