Home / 7,380.84-11,071.14-2,186.28

Finding the Fourth Proportional to 7,380.84, 11,071.14 and 2,186.28

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Solution

The fourth proportional to 7,380.84, 11,071.14 and 2,186.28 is: 3,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.84 : 11,071.14 = 2,186.28 : x
  2. Step 2: Convert to fraction form
    7,380.84/11,071.14 = 2,186.28/x
  3. Step 3: Cross multiply
    7,380.84x = 11,071.14 × 2,186.28
  4. Step 4: Simplify right side
    7,380.84x = 24,204,611.96
  5. Step 5: Solve for x
    x = 24,204,611.96/7,380.84
  6. Step 6: Final answer
    x = 3,279.38

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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.