Home / 8,936.30-13,401.02-3,091.34

Finding the Fourth Proportional to 8,936.30, 13,401.02 and 3,091.34

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Solution

The fourth proportional to 8,936.30, 13,401.02 and 3,091.34 is: 4,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.30 : 13,401.02 = 3,091.34 : x
  2. Step 2: Convert to fraction form
    8,936.30/13,401.02 = 3,091.34/x
  3. Step 3: Cross multiply
    8,936.30x = 13,401.02 × 3,091.34
  4. Step 4: Simplify right side
    8,936.30x = 41,427,026.71
  5. Step 5: Solve for x
    x = 41,427,026.71/8,936.30
  6. Step 6: Final answer
    x = 4,635.82

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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.