Home / 6,857.06-10,287.45-2,240.06

Finding the Fourth Proportional to 6,857.06, 10,287.45 and 2,240.06

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Solution

The fourth proportional to 6,857.06, 10,287.45 and 2,240.06 is: 3,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.06 : 10,287.45 = 2,240.06 : x
  2. Step 2: Convert to fraction form
    6,857.06/10,287.45 = 2,240.06/x
  3. Step 3: Cross multiply
    6,857.06x = 10,287.45 × 2,240.06
  4. Step 4: Simplify right side
    6,857.06x = 23,044,505.25
  5. Step 5: Solve for x
    x = 23,044,505.25/6,857.06
  6. Step 6: Final answer
    x = 3,360.70

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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.