Home / 8,839.89-13,260.24-2,917.29

Finding the Fourth Proportional to 8,839.89, 13,260.24 and 2,917.29

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Solution

The fourth proportional to 8,839.89, 13,260.24 and 2,917.29 is: 4,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.89 : 13,260.24 = 2,917.29 : x
  2. Step 2: Convert to fraction form
    8,839.89/13,260.24 = 2,917.29/x
  3. Step 3: Cross multiply
    8,839.89x = 13,260.24 × 2,917.29
  4. Step 4: Simplify right side
    8,839.89x = 38,683,958.19
  5. Step 5: Solve for x
    x = 38,683,958.19/8,839.89
  6. Step 6: Final answer
    x = 4,376.07

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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.