Home / 6,919.26-10,378.91-2,239.08

Finding the Fourth Proportional to 6,919.26, 10,378.91 and 2,239.08

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Solution

The fourth proportional to 6,919.26, 10,378.91 and 2,239.08 is: 3,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.26 : 10,378.91 = 2,239.08 : x
  2. Step 2: Convert to fraction form
    6,919.26/10,378.91 = 2,239.08/x
  3. Step 3: Cross multiply
    6,919.26x = 10,378.91 × 2,239.08
  4. Step 4: Simplify right side
    6,919.26x = 23,239,209.80
  5. Step 5: Solve for x
    x = 23,239,209.80/6,919.26
  6. Step 6: Final answer
    x = 3,358.63

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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.