Home / 6,119.28-9,175.28-2,222.40

Finding the Fourth Proportional to 6,119.28, 9,175.28 and 2,222.40

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Solution

The fourth proportional to 6,119.28, 9,175.28 and 2,222.40 is: 3,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.28 : 9,175.28 = 2,222.40 : x
  2. Step 2: Convert to fraction form
    6,119.28/9,175.28 = 2,222.40/x
  3. Step 3: Cross multiply
    6,119.28x = 9,175.28 × 2,222.40
  4. Step 4: Simplify right side
    6,119.28x = 20,391,142.27
  5. Step 5: Solve for x
    x = 20,391,142.27/6,119.28
  6. Step 6: Final answer
    x = 3,332.28

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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.