Home / 6,859.29-10,286.90-2,910.49

Finding the Fourth Proportional to 6,859.29, 10,286.90 and 2,910.49

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Solution

The fourth proportional to 6,859.29, 10,286.90 and 2,910.49 is: 4,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.29 : 10,286.90 = 2,910.49 : x
  2. Step 2: Convert to fraction form
    6,859.29/10,286.90 = 2,910.49/x
  3. Step 3: Cross multiply
    6,859.29x = 10,286.90 × 2,910.49
  4. Step 4: Simplify right side
    6,859.29x = 29,939,919.58
  5. Step 5: Solve for x
    x = 29,939,919.58/6,859.29
  6. Step 6: Final answer
    x = 4,364.87

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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.