Home / 6,858.88-10,286.28-2,910.08

Finding the Fourth Proportional to 6,858.88, 10,286.28 and 2,910.08

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Solution

The fourth proportional to 6,858.88, 10,286.28 and 2,910.08 is: 4,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.88 : 10,286.28 = 2,910.08 : x
  2. Step 2: Convert to fraction form
    6,858.88/10,286.28 = 2,910.08/x
  3. Step 3: Cross multiply
    6,858.88x = 10,286.28 × 2,910.08
  4. Step 4: Simplify right side
    6,858.88x = 29,933,897.70
  5. Step 5: Solve for x
    x = 29,933,897.70/6,858.88
  6. Step 6: Final answer
    x = 4,364.25

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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.