Home / 6,986.29-10,480.51-3,288.91

Finding the Fourth Proportional to 6,986.29, 10,480.51 and 3,288.91

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Solution

The fourth proportional to 6,986.29, 10,480.51 and 3,288.91 is: 4,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.29 : 10,480.51 = 3,288.91 : x
  2. Step 2: Convert to fraction form
    6,986.29/10,480.51 = 3,288.91/x
  3. Step 3: Cross multiply
    6,986.29x = 10,480.51 × 3,288.91
  4. Step 4: Simplify right side
    6,986.29x = 34,469,454.14
  5. Step 5: Solve for x
    x = 34,469,454.14/6,986.29
  6. Step 6: Final answer
    x = 4,933.87

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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.