Home / 5,016.49-6,922.70-2,778.50

Finding the Fourth Proportional to 5,016.49, 6,922.70 and 2,778.50

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Solution

The fourth proportional to 5,016.49, 6,922.70 and 2,778.50 is: 3,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.49 : 6,922.70 = 2,778.50 : x
  2. Step 2: Convert to fraction form
    5,016.49/6,922.70 = 2,778.50/x
  3. Step 3: Cross multiply
    5,016.49x = 6,922.70 × 2,778.50
  4. Step 4: Simplify right side
    5,016.49x = 19,234,721.95
  5. Step 5: Solve for x
    x = 19,234,721.95/5,016.49
  6. Step 6: Final answer
    x = 3,834.30

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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.