Home / 6,869.21-10,305.17-2,189.06

Finding the Fourth Proportional to 6,869.21, 10,305.17 and 2,189.06

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Solution

The fourth proportional to 6,869.21, 10,305.17 and 2,189.06 is: 3,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.21 : 10,305.17 = 2,189.06 : x
  2. Step 2: Convert to fraction form
    6,869.21/10,305.17 = 2,189.06/x
  3. Step 3: Cross multiply
    6,869.21x = 10,305.17 × 2,189.06
  4. Step 4: Simplify right side
    6,869.21x = 22,558,675.61
  5. Step 5: Solve for x
    x = 22,558,675.61/6,869.21
  6. Step 6: Final answer
    x = 3,284.03

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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.