Home / 6,811.48-10,215.78-3,476.44

Finding the Fourth Proportional to 6,811.48, 10,215.78 and 3,476.44

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Solution

The fourth proportional to 6,811.48, 10,215.78 and 3,476.44 is: 5,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.48 : 10,215.78 = 3,476.44 : x
  2. Step 2: Convert to fraction form
    6,811.48/10,215.78 = 3,476.44/x
  3. Step 3: Cross multiply
    6,811.48x = 10,215.78 × 3,476.44
  4. Step 4: Simplify right side
    6,811.48x = 35,514,546.22
  5. Step 5: Solve for x
    x = 35,514,546.22/6,811.48
  6. Step 6: Final answer
    x = 5,213.93

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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.