Home / 5,305.70-7,320.98-3,067.88

Finding the Fourth Proportional to 5,305.70, 7,320.98 and 3,067.88

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Solution

The fourth proportional to 5,305.70, 7,320.98 and 3,067.88 is: 4,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.70 : 7,320.98 = 3,067.88 : x
  2. Step 2: Convert to fraction form
    5,305.70/7,320.98 = 3,067.88/x
  3. Step 3: Cross multiply
    5,305.70x = 7,320.98 × 3,067.88
  4. Step 4: Simplify right side
    5,305.70x = 22,459,888.12
  5. Step 5: Solve for x
    x = 22,459,888.12/5,305.70
  6. Step 6: Final answer
    x = 4,233.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.