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Finding the Fourth Proportional to 7,261.98, 10,891.95 and 2,330.97

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Solution

The fourth proportional to 7,261.98, 10,891.95 and 2,330.97 is: 3,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.98 : 10,891.95 = 2,330.97 : x
  2. Step 2: Convert to fraction form
    7,261.98/10,891.95 = 2,330.97/x
  3. Step 3: Cross multiply
    7,261.98x = 10,891.95 × 2,330.97
  4. Step 4: Simplify right side
    7,261.98x = 25,388,840.80
  5. Step 5: Solve for x
    x = 25,388,840.80/7,261.98
  6. Step 6: Final answer
    x = 3,496.13

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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.