Home / 5,931.47-8,185.79-3,278.82

Finding the Fourth Proportional to 5,931.47, 8,185.79 and 3,278.82

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Solution

The fourth proportional to 5,931.47, 8,185.79 and 3,278.82 is: 4,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.47 : 8,185.79 = 3,278.82 : x
  2. Step 2: Convert to fraction form
    5,931.47/8,185.79 = 3,278.82/x
  3. Step 3: Cross multiply
    5,931.47x = 8,185.79 × 3,278.82
  4. Step 4: Simplify right side
    5,931.47x = 26,839,715.57
  5. Step 5: Solve for x
    x = 26,839,715.57/5,931.47
  6. Step 6: Final answer
    x = 4,524.97

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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.