Home / 6,778.38-10,162.71-2,880.66

Finding the Fourth Proportional to 6,778.38, 10,162.71 and 2,880.66

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Solution

The fourth proportional to 6,778.38, 10,162.71 and 2,880.66 is: 4,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.38 : 10,162.71 = 2,880.66 : x
  2. Step 2: Convert to fraction form
    6,778.38/10,162.71 = 2,880.66/x
  3. Step 3: Cross multiply
    6,778.38x = 10,162.71 × 2,880.66
  4. Step 4: Simplify right side
    6,778.38x = 29,275,312.19
  5. Step 5: Solve for x
    x = 29,275,312.19/6,778.38
  6. Step 6: Final answer
    x = 4,318.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.