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Finding the Fourth Proportional to 4,339.80, 5,991.21 and 3,342.89

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Solution

The fourth proportional to 4,339.80, 5,991.21 and 3,342.89 is: 4,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.80 : 5,991.21 = 3,342.89 : x
  2. Step 2: Convert to fraction form
    4,339.80/5,991.21 = 3,342.89/x
  3. Step 3: Cross multiply
    4,339.80x = 5,991.21 × 3,342.89
  4. Step 4: Simplify right side
    4,339.80x = 20,027,926.04
  5. Step 5: Solve for x
    x = 20,027,926.04/4,339.80
  6. Step 6: Final answer
    x = 4,614.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.