Home / 8,569.58-12,855.31-2,724.82

Finding the Fourth Proportional to 8,569.58, 12,855.31 and 2,724.82

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Solution

The fourth proportional to 8,569.58, 12,855.31 and 2,724.82 is: 4,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.58 : 12,855.31 = 2,724.82 : x
  2. Step 2: Convert to fraction form
    8,569.58/12,855.31 = 2,724.82/x
  3. Step 3: Cross multiply
    8,569.58x = 12,855.31 × 2,724.82
  4. Step 4: Simplify right side
    8,569.58x = 35,028,366.84
  5. Step 5: Solve for x
    x = 35,028,366.84/8,569.58
  6. Step 6: Final answer
    x = 4,087.53

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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.