Home / 6,114.24-9,176.16-2,221.20

Finding the Fourth Proportional to 6,114.24, 9,176.16 and 2,221.20

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Solution

The fourth proportional to 6,114.24, 9,176.16 and 2,221.20 is: 3,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.24 : 9,176.16 = 2,221.20 : x
  2. Step 2: Convert to fraction form
    6,114.24/9,176.16 = 2,221.20/x
  3. Step 3: Cross multiply
    6,114.24x = 9,176.16 × 2,221.20
  4. Step 4: Simplify right side
    6,114.24x = 20,382,086.59
  5. Step 5: Solve for x
    x = 20,382,086.59/6,114.24
  6. Step 6: Final answer
    x = 3,333.54

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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.