Home / 9,879.30-14,819.73-3,305.51

Finding the Fourth Proportional to 9,879.30, 14,819.73 and 3,305.51

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Solution

The fourth proportional to 9,879.30, 14,819.73 and 3,305.51 is: 4,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.30 : 14,819.73 = 3,305.51 : x
  2. Step 2: Convert to fraction form
    9,879.30/14,819.73 = 3,305.51/x
  3. Step 3: Cross multiply
    9,879.30x = 14,819.73 × 3,305.51
  4. Step 4: Simplify right side
    9,879.30x = 48,986,734.79
  5. Step 5: Solve for x
    x = 48,986,734.79/9,879.30
  6. Step 6: Final answer
    x = 4,958.52

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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.