Home / 5,478.05-8,204.71-3,841.92

Finding the Fourth Proportional to 5,478.05, 8,204.71 and 3,841.92

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Solution

The fourth proportional to 5,478.05, 8,204.71 and 3,841.92 is: 5,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.05 : 8,204.71 = 3,841.92 : x
  2. Step 2: Convert to fraction form
    5,478.05/8,204.71 = 3,841.92/x
  3. Step 3: Cross multiply
    5,478.05x = 8,204.71 × 3,841.92
  4. Step 4: Simplify right side
    5,478.05x = 31,521,839.44
  5. Step 5: Solve for x
    x = 31,521,839.44/5,478.05
  6. Step 6: Final answer
    x = 5,754.21

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1.5x scale

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.