Home / 4,921.20-7,377.33-2,456.77

Finding the Fourth Proportional to 4,921.20, 7,377.33 and 2,456.77

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Solution

The fourth proportional to 4,921.20, 7,377.33 and 2,456.77 is: 3,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.20 : 7,377.33 = 2,456.77 : x
  2. Step 2: Convert to fraction form
    4,921.20/7,377.33 = 2,456.77/x
  3. Step 3: Cross multiply
    4,921.20x = 7,377.33 × 2,456.77
  4. Step 4: Simplify right side
    4,921.20x = 18,124,403.02
  5. Step 5: Solve for x
    x = 18,124,403.02/4,921.20
  6. Step 6: Final answer
    x = 3,682.92

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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.