Home / 6,896.90-10,328.82-3,772.22

Finding the Fourth Proportional to 6,896.90, 10,328.82 and 3,772.22

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Solution

The fourth proportional to 6,896.90, 10,328.82 and 3,772.22 is: 5,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.90 : 10,328.82 = 3,772.22 : x
  2. Step 2: Convert to fraction form
    6,896.90/10,328.82 = 3,772.22/x
  3. Step 3: Cross multiply
    6,896.90x = 10,328.82 × 3,772.22
  4. Step 4: Simplify right side
    6,896.90x = 38,962,581.38
  5. Step 5: Solve for x
    x = 38,962,581.38/6,896.90
  6. Step 6: Final answer
    x = 5,649.29

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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.