Home / 4,849.32-7,273.10-1,385.72

Finding the Fourth Proportional to 4,849.32, 7,273.10 and 1,385.72

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Solution

The fourth proportional to 4,849.32, 7,273.10 and 1,385.72 is: 2,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.32 : 7,273.10 = 1,385.72 : x
  2. Step 2: Convert to fraction form
    4,849.32/7,273.10 = 1,385.72/x
  3. Step 3: Cross multiply
    4,849.32x = 7,273.10 × 1,385.72
  4. Step 4: Simplify right side
    4,849.32x = 10,078,480.13
  5. Step 5: Solve for x
    x = 10,078,480.13/4,849.32
  6. Step 6: Final answer
    x = 2,078.33

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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.