Home / 6,857.10-10,285.65-2,240.10

Finding the Fourth Proportional to 6,857.10, 10,285.65 and 2,240.10

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Solution

The fourth proportional to 6,857.10, 10,285.65 and 2,240.10 is: 3,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.10 : 10,285.65 = 2,240.10 : x
  2. Step 2: Convert to fraction form
    6,857.10/10,285.65 = 2,240.10/x
  3. Step 3: Cross multiply
    6,857.10x = 10,285.65 × 2,240.10
  4. Step 4: Simplify right side
    6,857.10x = 23,040,884.57
  5. Step 5: Solve for x
    x = 23,040,884.57/6,857.10
  6. Step 6: Final answer
    x = 3,360.15

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Similar ratio
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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.