Home / 4,178.43-6,266.57-1,982.79

Finding the Fourth Proportional to 4,178.43, 6,266.57 and 1,982.79

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Solution

The fourth proportional to 4,178.43, 6,266.57 and 1,982.79 is: 2,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.43 : 6,266.57 = 1,982.79 : x
  2. Step 2: Convert to fraction form
    4,178.43/6,266.57 = 1,982.79/x
  3. Step 3: Cross multiply
    4,178.43x = 6,266.57 × 1,982.79
  4. Step 4: Simplify right side
    4,178.43x = 12,425,282.42
  5. Step 5: Solve for x
    x = 12,425,282.42/4,178.43
  6. Step 6: Final answer
    x = 2,973.67

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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.