Home / 6,857.11-10,287.29-2,177.34

Finding the Fourth Proportional to 6,857.11, 10,287.29 and 2,177.34

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Solution

The fourth proportional to 6,857.11, 10,287.29 and 2,177.34 is: 3,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.11 : 10,287.29 = 2,177.34 : x
  2. Step 2: Convert to fraction form
    6,857.11/10,287.29 = 2,177.34/x
  3. Step 3: Cross multiply
    6,857.11x = 10,287.29 × 2,177.34
  4. Step 4: Simplify right side
    6,857.11x = 22,398,928.01
  5. Step 5: Solve for x
    x = 22,398,928.01/6,857.11
  6. Step 6: Final answer
    x = 3,266.53

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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.