Home / 4,186.68-5,770.62-3,178.08

Finding the Fourth Proportional to 4,186.68, 5,770.62 and 3,178.08

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Solution

The fourth proportional to 4,186.68, 5,770.62 and 3,178.08 is: 4,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.68 : 5,770.62 = 3,178.08 : x
  2. Step 2: Convert to fraction form
    4,186.68/5,770.62 = 3,178.08/x
  3. Step 3: Cross multiply
    4,186.68x = 5,770.62 × 3,178.08
  4. Step 4: Simplify right side
    4,186.68x = 18,339,492.01
  5. Step 5: Solve for x
    x = 18,339,492.01/4,186.68
  6. Step 6: Final answer
    x = 4,380.44

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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.