Home / 6,111.85-9,167.80-2,216.15

Finding the Fourth Proportional to 6,111.85, 9,167.80 and 2,216.15

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Solution

The fourth proportional to 6,111.85, 9,167.80 and 2,216.15 is: 3,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.85 : 9,167.80 = 2,216.15 : x
  2. Step 2: Convert to fraction form
    6,111.85/9,167.80 = 2,216.15/x
  3. Step 3: Cross multiply
    6,111.85x = 9,167.80 × 2,216.15
  4. Step 4: Simplify right side
    6,111.85x = 20,317,219.97
  5. Step 5: Solve for x
    x = 20,317,219.97/6,111.85
  6. Step 6: Final answer
    x = 3,324.24

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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.