Home / 8,669.36-13,001.24-2,824.61

Finding the Fourth Proportional to 8,669.36, 13,001.24 and 2,824.61

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Solution

The fourth proportional to 8,669.36, 13,001.24 and 2,824.61 is: 4,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.36 : 13,001.24 = 2,824.61 : x
  2. Step 2: Convert to fraction form
    8,669.36/13,001.24 = 2,824.61/x
  3. Step 3: Cross multiply
    8,669.36x = 13,001.24 × 2,824.61
  4. Step 4: Simplify right side
    8,669.36x = 36,723,374.57
  5. Step 5: Solve for x
    x = 36,723,374.57/8,669.36
  6. Step 6: Final answer
    x = 4,235.99

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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.