Home / 6,614.62-9,126.75-3,818.50

Finding the Fourth Proportional to 6,614.62, 9,126.75 and 3,818.50

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Solution

The fourth proportional to 6,614.62, 9,126.75 and 3,818.50 is: 5,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.62 : 9,126.75 = 3,818.50 : x
  2. Step 2: Convert to fraction form
    6,614.62/9,126.75 = 3,818.50/x
  3. Step 3: Cross multiply
    6,614.62x = 9,126.75 × 3,818.50
  4. Step 4: Simplify right side
    6,614.62x = 34,850,494.88
  5. Step 5: Solve for x
    x = 34,850,494.88/6,614.62
  6. Step 6: Final answer
    x = 5,268.71

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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.