Home / 8,936.48-13,406.27-3,091.74

Finding the Fourth Proportional to 8,936.48, 13,406.27 and 3,091.74

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Solution

The fourth proportional to 8,936.48, 13,406.27 and 3,091.74 is: 4,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.48 : 13,406.27 = 3,091.74 : x
  2. Step 2: Convert to fraction form
    8,936.48/13,406.27 = 3,091.74/x
  3. Step 3: Cross multiply
    8,936.48x = 13,406.27 × 3,091.74
  4. Step 4: Simplify right side
    8,936.48x = 41,448,685.75
  5. Step 5: Solve for x
    x = 41,448,685.75/8,936.48
  6. Step 6: Final answer
    x = 4,638.15

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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.