Home / 4,778.89-7,163.16-2,007.07

Finding the Fourth Proportional to 4,778.89, 7,163.16 and 2,007.07

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Solution

The fourth proportional to 4,778.89, 7,163.16 and 2,007.07 is: 3,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.89 : 7,163.16 = 2,007.07 : x
  2. Step 2: Convert to fraction form
    4,778.89/7,163.16 = 2,007.07/x
  3. Step 3: Cross multiply
    4,778.89x = 7,163.16 × 2,007.07
  4. Step 4: Simplify right side
    4,778.89x = 14,376,963.54
  5. Step 5: Solve for x
    x = 14,376,963.54/4,778.89
  6. Step 6: Final answer
    x = 3,008.43

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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.