Home / 6,195.78-8,550.12-3,401.28

Finding the Fourth Proportional to 6,195.78, 8,550.12 and 3,401.28

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Solution

The fourth proportional to 6,195.78, 8,550.12 and 3,401.28 is: 4,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,195.78 : 8,550.12 = 3,401.28 : x
  2. Step 2: Convert to fraction form
    6,195.78/8,550.12 = 3,401.28/x
  3. Step 3: Cross multiply
    6,195.78x = 8,550.12 × 3,401.28
  4. Step 4: Simplify right side
    6,195.78x = 29,081,352.15
  5. Step 5: Solve for x
    x = 29,081,352.15/6,195.78
  6. Step 6: Final answer
    x = 4,693.74

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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.