Home / 4,933.78-7,398.94-1,422.85

Finding the Fourth Proportional to 4,933.78, 7,398.94 and 1,422.85

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Solution

The fourth proportional to 4,933.78, 7,398.94 and 1,422.85 is: 2,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.78 : 7,398.94 = 1,422.85 : x
  2. Step 2: Convert to fraction form
    4,933.78/7,398.94 = 1,422.85/x
  3. Step 3: Cross multiply
    4,933.78x = 7,398.94 × 1,422.85
  4. Step 4: Simplify right side
    4,933.78x = 10,527,537.67
  5. Step 5: Solve for x
    x = 10,527,537.67/4,933.78
  6. Step 6: Final answer
    x = 2,133.77

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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.