Home / 4,874.60-6,726.84-2,778.50

Finding the Fourth Proportional to 4,874.60, 6,726.84 and 2,778.50

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Solution

The fourth proportional to 4,874.60, 6,726.84 and 2,778.50 is: 3,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.60 : 6,726.84 = 2,778.50 : x
  2. Step 2: Convert to fraction form
    4,874.60/6,726.84 = 2,778.50/x
  3. Step 3: Cross multiply
    4,874.60x = 6,726.84 × 2,778.50
  4. Step 4: Simplify right side
    4,874.60x = 18,690,524.94
  5. Step 5: Solve for x
    x = 18,690,524.94/4,874.60
  6. Step 6: Final answer
    x = 3,834.27

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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.