Home / 6,338.12-9,504.45-2,178.55

Finding the Fourth Proportional to 6,338.12, 9,504.45 and 2,178.55

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Solution

The fourth proportional to 6,338.12, 9,504.45 and 2,178.55 is: 3,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.12 : 9,504.45 = 2,178.55 : x
  2. Step 2: Convert to fraction form
    6,338.12/9,504.45 = 2,178.55/x
  3. Step 3: Cross multiply
    6,338.12x = 9,504.45 × 2,178.55
  4. Step 4: Simplify right side
    6,338.12x = 20,705,919.55
  5. Step 5: Solve for x
    x = 20,705,919.55/6,338.12
  6. Step 6: Final answer
    x = 3,266.89

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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.