Home / 5,304.20-7,940.10-4,137.80

Finding the Fourth Proportional to 5,304.20, 7,940.10 and 4,137.80

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Solution

The fourth proportional to 5,304.20, 7,940.10 and 4,137.80 is: 6,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.20 : 7,940.10 = 4,137.80 : x
  2. Step 2: Convert to fraction form
    5,304.20/7,940.10 = 4,137.80/x
  3. Step 3: Cross multiply
    5,304.20x = 7,940.10 × 4,137.80
  4. Step 4: Simplify right side
    5,304.20x = 32,854,545.78
  5. Step 5: Solve for x
    x = 32,854,545.78/5,304.20
  6. Step 6: Final answer
    x = 6,194.06

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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.