Home / 4,859.28-7,289.82-2,781.66

Finding the Fourth Proportional to 4,859.28, 7,289.82 and 2,781.66

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Solution

The fourth proportional to 4,859.28, 7,289.82 and 2,781.66 is: 4,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.28 : 7,289.82 = 2,781.66 : x
  2. Step 2: Convert to fraction form
    4,859.28/7,289.82 = 2,781.66/x
  3. Step 3: Cross multiply
    4,859.28x = 7,289.82 × 2,781.66
  4. Step 4: Simplify right side
    4,859.28x = 20,277,800.70
  5. Step 5: Solve for x
    x = 20,277,800.70/4,859.28
  6. Step 6: Final answer
    x = 4,173.01

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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.