Home / 6,341.20-8,747.90-4,103.79

Finding the Fourth Proportional to 6,341.20, 8,747.90 and 4,103.79

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Solution

The fourth proportional to 6,341.20, 8,747.90 and 4,103.79 is: 5,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.20 : 8,747.90 = 4,103.79 : x
  2. Step 2: Convert to fraction form
    6,341.20/8,747.90 = 4,103.79/x
  3. Step 3: Cross multiply
    6,341.20x = 8,747.90 × 4,103.79
  4. Step 4: Simplify right side
    6,341.20x = 35,899,544.54
  5. Step 5: Solve for x
    x = 35,899,544.54/6,341.20
  6. Step 6: Final answer
    x = 5,661.32

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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.