Home / 8,669.40-13,002.42-2,824.62

Finding the Fourth Proportional to 8,669.40, 13,002.42 and 2,824.62

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Solution

The fourth proportional to 8,669.40, 13,002.42 and 2,824.62 is: 4,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.40 : 13,002.42 = 2,824.62 : x
  2. Step 2: Convert to fraction form
    8,669.40/13,002.42 = 2,824.62/x
  3. Step 3: Cross multiply
    8,669.40x = 13,002.42 × 2,824.62
  4. Step 4: Simplify right side
    8,669.40x = 36,726,895.58
  5. Step 5: Solve for x
    x = 36,726,895.58/8,669.40
  6. Step 6: Final answer
    x = 4,236.38

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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.