Home / 5,016.28-6,922.71-2,778.40

Finding the Fourth Proportional to 5,016.28, 6,922.71 and 2,778.40

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Solution

The fourth proportional to 5,016.28, 6,922.71 and 2,778.40 is: 3,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.28 : 6,922.71 = 2,778.40 : x
  2. Step 2: Convert to fraction form
    5,016.28/6,922.71 = 2,778.40/x
  3. Step 3: Cross multiply
    5,016.28x = 6,922.71 × 2,778.40
  4. Step 4: Simplify right side
    5,016.28x = 19,234,057.46
  5. Step 5: Solve for x
    x = 19,234,057.46/5,016.28
  6. Step 6: Final answer
    x = 3,834.33

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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.