Home / 4,478.08-6,723.21-3,087.97

Finding the Fourth Proportional to 4,478.08, 6,723.21 and 3,087.97

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Solution

The fourth proportional to 4,478.08, 6,723.21 and 3,087.97 is: 4,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.08 : 6,723.21 = 3,087.97 : x
  2. Step 2: Convert to fraction form
    4,478.08/6,723.21 = 3,087.97/x
  3. Step 3: Cross multiply
    4,478.08x = 6,723.21 × 3,087.97
  4. Step 4: Simplify right side
    4,478.08x = 20,761,070.78
  5. Step 5: Solve for x
    x = 20,761,070.78/4,478.08
  6. Step 6: Final answer
    x = 4,636.15

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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.