Home / 4,478.70-6,718.04-3,087.92

Finding the Fourth Proportional to 4,478.70, 6,718.04 and 3,087.92

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Solution

The fourth proportional to 4,478.70, 6,718.04 and 3,087.92 is: 4,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.70 : 6,718.04 = 3,087.92 : x
  2. Step 2: Convert to fraction form
    4,478.70/6,718.04 = 3,087.92/x
  3. Step 3: Cross multiply
    4,478.70x = 6,718.04 × 3,087.92
  4. Step 4: Simplify right side
    4,478.70x = 20,744,770.08
  5. Step 5: Solve for x
    x = 20,744,770.08/4,478.70
  6. Step 6: Final answer
    x = 4,631.87

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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.