Home / 5,289.19-7,928.04-3,441.61

Finding the Fourth Proportional to 5,289.19, 7,928.04 and 3,441.61

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Solution

The fourth proportional to 5,289.19, 7,928.04 and 3,441.61 is: 5,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.19 : 7,928.04 = 3,441.61 : x
  2. Step 2: Convert to fraction form
    5,289.19/7,928.04 = 3,441.61/x
  3. Step 3: Cross multiply
    5,289.19x = 7,928.04 × 3,441.61
  4. Step 4: Simplify right side
    5,289.19x = 27,285,221.74
  5. Step 5: Solve for x
    x = 27,285,221.74/5,289.19
  6. Step 6: Final answer
    x = 5,158.68

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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.