Home / 4,778.24-7,167.12-2,003.84

Finding the Fourth Proportional to 4,778.24, 7,167.12 and 2,003.84

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Solution

The fourth proportional to 4,778.24, 7,167.12 and 2,003.84 is: 3,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.24 : 7,167.12 = 2,003.84 : x
  2. Step 2: Convert to fraction form
    4,778.24/7,167.12 = 2,003.84/x
  3. Step 3: Cross multiply
    4,778.24x = 7,167.12 × 2,003.84
  4. Step 4: Simplify right side
    4,778.24x = 14,361,761.74
  5. Step 5: Solve for x
    x = 14,361,761.74/4,778.24
  6. Step 6: Final answer
    x = 3,005.66

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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.