Home / 7,758.12-11,634.66-3,374.28

Finding the Fourth Proportional to 7,758.12, 11,634.66 and 3,374.28

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Solution

The fourth proportional to 7,758.12, 11,634.66 and 3,374.28 is: 5,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.12 : 11,634.66 = 3,374.28 : x
  2. Step 2: Convert to fraction form
    7,758.12/11,634.66 = 3,374.28/x
  3. Step 3: Cross multiply
    7,758.12x = 11,634.66 × 3,374.28
  4. Step 4: Simplify right side
    7,758.12x = 39,258,600.54
  5. Step 5: Solve for x
    x = 39,258,600.54/7,758.12
  6. Step 6: Final answer
    x = 5,060.32

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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.