Home / 7,376.40-11,067.60-3,217.20

Finding the Fourth Proportional to 7,376.40, 11,067.60 and 3,217.20

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Solution

The fourth proportional to 7,376.40, 11,067.60 and 3,217.20 is: 4,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.40 : 11,067.60 = 3,217.20 : x
  2. Step 2: Convert to fraction form
    7,376.40/11,067.60 = 3,217.20/x
  3. Step 3: Cross multiply
    7,376.40x = 11,067.60 × 3,217.20
  4. Step 4: Simplify right side
    7,376.40x = 35,606,682.72
  5. Step 5: Solve for x
    x = 35,606,682.72/7,376.40
  6. Step 6: Final answer
    x = 4,827.11

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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.