Home / 5,016.30-6,922.76-2,778.42

Finding the Fourth Proportional to 5,016.30, 6,922.76 and 2,778.42

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Solution

The fourth proportional to 5,016.30, 6,922.76 and 2,778.42 is: 3,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.30 : 6,922.76 = 2,778.42 : x
  2. Step 2: Convert to fraction form
    5,016.30/6,922.76 = 2,778.42/x
  3. Step 3: Cross multiply
    5,016.30x = 6,922.76 × 2,778.42
  4. Step 4: Simplify right side
    5,016.30x = 19,234,320.95
  5. Step 5: Solve for x
    x = 19,234,320.95/5,016.30
  6. Step 6: Final answer
    x = 3,834.36

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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.