Home / 6,336.42-8,745.13-3,981.75

Finding the Fourth Proportional to 6,336.42, 8,745.13 and 3,981.75

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Solution

The fourth proportional to 6,336.42, 8,745.13 and 3,981.75 is: 5,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.42 : 8,745.13 = 3,981.75 : x
  2. Step 2: Convert to fraction form
    6,336.42/8,745.13 = 3,981.75/x
  3. Step 3: Cross multiply
    6,336.42x = 8,745.13 × 3,981.75
  4. Step 4: Simplify right side
    6,336.42x = 34,820,921.38
  5. Step 5: Solve for x
    x = 34,820,921.38/6,336.42
  6. Step 6: Final answer
    x = 5,495.36

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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.