Home / 6,638.34-9,161.01-3,805.96

Finding the Fourth Proportional to 6,638.34, 9,161.01 and 3,805.96

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Solution

The fourth proportional to 6,638.34, 9,161.01 and 3,805.96 is: 5,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.34 : 9,161.01 = 3,805.96 : x
  2. Step 2: Convert to fraction form
    6,638.34/9,161.01 = 3,805.96/x
  3. Step 3: Cross multiply
    6,638.34x = 9,161.01 × 3,805.96
  4. Step 4: Simplify right side
    6,638.34x = 34,866,437.62
  5. Step 5: Solve for x
    x = 34,866,437.62/6,638.34
  6. Step 6: Final answer
    x = 5,252.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.