Home / 4,624.80-6,937.20-3,239.70

Finding the Fourth Proportional to 4,624.80, 6,937.20 and 3,239.70

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Solution

The fourth proportional to 4,624.80, 6,937.20 and 3,239.70 is: 4,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.80 : 6,937.20 = 3,239.70 : x
  2. Step 2: Convert to fraction form
    4,624.80/6,937.20 = 3,239.70/x
  3. Step 3: Cross multiply
    4,624.80x = 6,937.20 × 3,239.70
  4. Step 4: Simplify right side
    4,624.80x = 22,474,446.84
  5. Step 5: Solve for x
    x = 22,474,446.84/4,624.80
  6. Step 6: Final answer
    x = 4,859.55

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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.