Home / 7,213.50-9,954.60-4,069.66

Finding the Fourth Proportional to 7,213.50, 9,954.60 and 4,069.66

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Solution

The fourth proportional to 7,213.50, 9,954.60 and 4,069.66 is: 5,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.50 : 9,954.60 = 4,069.66 : x
  2. Step 2: Convert to fraction form
    7,213.50/9,954.60 = 4,069.66/x
  3. Step 3: Cross multiply
    7,213.50x = 9,954.60 × 4,069.66
  4. Step 4: Simplify right side
    7,213.50x = 40,511,837.44
  5. Step 5: Solve for x
    x = 40,511,837.44/7,213.50
  6. Step 6: Final answer
    x = 5,616.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.