Home / 6,125.10-9,183.78-2,839.20

Finding the Fourth Proportional to 6,125.10, 9,183.78 and 2,839.20

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Solution

The fourth proportional to 6,125.10, 9,183.78 and 2,839.20 is: 4,257.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.10 : 9,183.78 = 2,839.20 : x
  2. Step 2: Convert to fraction form
    6,125.10/9,183.78 = 2,839.20/x
  3. Step 3: Cross multiply
    6,125.10x = 9,183.78 × 2,839.20
  4. Step 4: Simplify right side
    6,125.10x = 26,074,588.18
  5. Step 5: Solve for x
    x = 26,074,588.18/6,125.10
  6. Step 6: Final answer
    x = 4,257.01

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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.