Home / 7,469.39-11,185.59-4,339.90

Finding the Fourth Proportional to 7,469.39, 11,185.59 and 4,339.90

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Solution

The fourth proportional to 7,469.39, 11,185.59 and 4,339.90 is: 6,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.39 : 11,185.59 = 4,339.90 : x
  2. Step 2: Convert to fraction form
    7,469.39/11,185.59 = 4,339.90/x
  3. Step 3: Cross multiply
    7,469.39x = 11,185.59 × 4,339.90
  4. Step 4: Simplify right side
    7,469.39x = 48,544,342.04
  5. Step 5: Solve for x
    x = 48,544,342.04/7,469.39
  6. Step 6: Final answer
    x = 6,499.11

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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.