Home / 6,115.56-9,167.76-2,219.10

Finding the Fourth Proportional to 6,115.56, 9,167.76 and 2,219.10

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Solution

The fourth proportional to 6,115.56, 9,167.76 and 2,219.10 is: 3,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.56 : 9,167.76 = 2,219.10 : x
  2. Step 2: Convert to fraction form
    6,115.56/9,167.76 = 2,219.10/x
  3. Step 3: Cross multiply
    6,115.56x = 9,167.76 × 2,219.10
  4. Step 4: Simplify right side
    6,115.56x = 20,344,176.22
  5. Step 5: Solve for x
    x = 20,344,176.22/6,115.56
  6. Step 6: Final answer
    x = 3,326.63

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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.