Home / 6,117.70-9,171.06-2,219.38

Finding the Fourth Proportional to 6,117.70, 9,171.06 and 2,219.38

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Solution

The fourth proportional to 6,117.70, 9,171.06 and 2,219.38 is: 3,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.70 : 9,171.06 = 2,219.38 : x
  2. Step 2: Convert to fraction form
    6,117.70/9,171.06 = 2,219.38/x
  3. Step 3: Cross multiply
    6,117.70x = 9,171.06 × 2,219.38
  4. Step 4: Simplify right side
    6,117.70x = 20,354,067.14
  5. Step 5: Solve for x
    x = 20,354,067.14/6,117.70
  6. Step 6: Final answer
    x = 3,327.08

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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.