Home / 7,238.20-10,853.52-3,339.28

Finding the Fourth Proportional to 7,238.20, 10,853.52 and 3,339.28

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Solution

The fourth proportional to 7,238.20, 10,853.52 and 3,339.28 is: 5,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.20 : 10,853.52 = 3,339.28 : x
  2. Step 2: Convert to fraction form
    7,238.20/10,853.52 = 3,339.28/x
  3. Step 3: Cross multiply
    7,238.20x = 10,853.52 × 3,339.28
  4. Step 4: Simplify right side
    7,238.20x = 36,242,942.27
  5. Step 5: Solve for x
    x = 36,242,942.27/7,238.20
  6. Step 6: Final answer
    x = 5,007.18

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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.