Home / 6,120.18-9,182.16-2,225.16

Finding the Fourth Proportional to 6,120.18, 9,182.16 and 2,225.16

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Solution

The fourth proportional to 6,120.18, 9,182.16 and 2,225.16 is: 3,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.18 : 9,182.16 = 2,225.16 : x
  2. Step 2: Convert to fraction form
    6,120.18/9,182.16 = 2,225.16/x
  3. Step 3: Cross multiply
    6,120.18x = 9,182.16 × 2,225.16
  4. Step 4: Simplify right side
    6,120.18x = 20,431,775.15
  5. Step 5: Solve for x
    x = 20,431,775.15/6,120.18
  6. Step 6: Final answer
    x = 3,338.43

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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.