Home / 8,220.19-12,334.33-3,837.01

Finding the Fourth Proportional to 8,220.19, 12,334.33 and 3,837.01

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Solution

The fourth proportional to 8,220.19, 12,334.33 and 3,837.01 is: 5,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.19 : 12,334.33 = 3,837.01 : x
  2. Step 2: Convert to fraction form
    8,220.19/12,334.33 = 3,837.01/x
  3. Step 3: Cross multiply
    8,220.19x = 12,334.33 × 3,837.01
  4. Step 4: Simplify right side
    8,220.19x = 47,326,876.29
  5. Step 5: Solve for x
    x = 47,326,876.29/8,220.19
  6. Step 6: Final answer
    x = 5,757.40

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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.