Home / 6,898.90-10,331.82-3,774.22

Finding the Fourth Proportional to 6,898.90, 10,331.82 and 3,774.22

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Solution

The fourth proportional to 6,898.90, 10,331.82 and 3,774.22 is: 5,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.90 : 10,331.82 = 3,774.22 : x
  2. Step 2: Convert to fraction form
    6,898.90/10,331.82 = 3,774.22/x
  3. Step 3: Cross multiply
    6,898.90x = 10,331.82 × 3,774.22
  4. Step 4: Simplify right side
    6,898.90x = 38,994,561.68
  5. Step 5: Solve for x
    x = 38,994,561.68/6,898.90
  6. Step 6: Final answer
    x = 5,652.29

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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.