Home / 8,087.96-12,133.32-3,705.79

Finding the Fourth Proportional to 8,087.96, 12,133.32 and 3,705.79

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Solution

The fourth proportional to 8,087.96, 12,133.32 and 3,705.79 is: 5,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.96 : 12,133.32 = 3,705.79 : x
  2. Step 2: Convert to fraction form
    8,087.96/12,133.32 = 3,705.79/x
  3. Step 3: Cross multiply
    8,087.96x = 12,133.32 × 3,705.79
  4. Step 4: Simplify right side
    8,087.96x = 44,963,535.92
  5. Step 5: Solve for x
    x = 44,963,535.92/8,087.96
  6. Step 6: Final answer
    x = 5,559.32

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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.