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Finding the Fourth Proportional to 7,339.88, 11,009.82 and 3,238.76

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Solution

The fourth proportional to 7,339.88, 11,009.82 and 3,238.76 is: 4,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.88 : 11,009.82 = 3,238.76 : x
  2. Step 2: Convert to fraction form
    7,339.88/11,009.82 = 3,238.76/x
  3. Step 3: Cross multiply
    7,339.88x = 11,009.82 × 3,238.76
  4. Step 4: Simplify right side
    7,339.88x = 35,658,164.62
  5. Step 5: Solve for x
    x = 35,658,164.62/7,339.88
  6. Step 6: Final answer
    x = 4,858.14

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Similar ratio
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1.5x scale

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.