Home / 4,243.78-6,334.66-3,931.12

Finding the Fourth Proportional to 4,243.78, 6,334.66 and 3,931.12

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Solution

The fourth proportional to 4,243.78, 6,334.66 and 3,931.12 is: 5,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.78 : 6,334.66 = 3,931.12 : x
  2. Step 2: Convert to fraction form
    4,243.78/6,334.66 = 3,931.12/x
  3. Step 3: Cross multiply
    4,243.78x = 6,334.66 × 3,931.12
  4. Step 4: Simplify right side
    4,243.78x = 24,902,308.62
  5. Step 5: Solve for x
    x = 24,902,308.62/4,243.78
  6. Step 6: Final answer
    x = 5,867.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.