Home / 6,239.40-9,364.56-3,469.20

Finding the Fourth Proportional to 6,239.40, 9,364.56 and 3,469.20

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Solution

The fourth proportional to 6,239.40, 9,364.56 and 3,469.20 is: 5,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.40 : 9,364.56 = 3,469.20 : x
  2. Step 2: Convert to fraction form
    6,239.40/9,364.56 = 3,469.20/x
  3. Step 3: Cross multiply
    6,239.40x = 9,364.56 × 3,469.20
  4. Step 4: Simplify right side
    6,239.40x = 32,487,531.55
  5. Step 5: Solve for x
    x = 32,487,531.55/6,239.40
  6. Step 6: Final answer
    x = 5,206.84

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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.