Home / 8,263.89-12,396.65-2,717.28

Finding the Fourth Proportional to 8,263.89, 12,396.65 and 2,717.28

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Solution

The fourth proportional to 8,263.89, 12,396.65 and 2,717.28 is: 4,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.89 : 12,396.65 = 2,717.28 : x
  2. Step 2: Convert to fraction form
    8,263.89/12,396.65 = 2,717.28/x
  3. Step 3: Cross multiply
    8,263.89x = 12,396.65 × 2,717.28
  4. Step 4: Simplify right side
    8,263.89x = 33,685,155.53
  5. Step 5: Solve for x
    x = 33,685,155.53/8,263.89
  6. Step 6: Final answer
    x = 4,076.19

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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.