Home / 7,449.36-11,175.48-2,832

Finding the Fourth Proportional to 7,449.36, 11,175.48 and 2,832

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Solution

The fourth proportional to 7,449.36, 11,175.48 and 2,832 is: 4,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.36 : 11,175.48 = 2,832 : x
  2. Step 2: Convert to fraction form
    7,449.36/11,175.48 = 2,832/x
  3. Step 3: Cross multiply
    7,449.36x = 11,175.48 × 2,832
  4. Step 4: Simplify right side
    7,449.36x = 31,648,959.36
  5. Step 5: Solve for x
    x = 31,648,959.36/7,449.36
  6. Step 6: Final answer
    x = 4,248.55

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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.