Home / 6,778.79-9,354.29-3,794.12

Finding the Fourth Proportional to 6,778.79, 9,354.29 and 3,794.12

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Solution

The fourth proportional to 6,778.79, 9,354.29 and 3,794.12 is: 5,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.79 : 9,354.29 = 3,794.12 : x
  2. Step 2: Convert to fraction form
    6,778.79/9,354.29 = 3,794.12/x
  3. Step 3: Cross multiply
    6,778.79x = 9,354.29 × 3,794.12
  4. Step 4: Simplify right side
    6,778.79x = 35,491,298.77
  5. Step 5: Solve for x
    x = 35,491,298.77/6,778.79
  6. Step 6: Final answer
    x = 5,235.64

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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.