Home / 3,327.08-4,989.77-986.54

Finding the Fourth Proportional to 3,327.08, 4,989.77 and 986.54

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Solution

The fourth proportional to 3,327.08, 4,989.77 and 986.54 is: 1,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.08 : 4,989.77 = 986.54 : x
  2. Step 2: Convert to fraction form
    3,327.08/4,989.77 = 986.54/x
  3. Step 3: Cross multiply
    3,327.08x = 4,989.77 × 986.54
  4. Step 4: Simplify right side
    3,327.08x = 4,922,592.76
  5. Step 5: Solve for x
    x = 4,922,592.76/3,327.08
  6. Step 6: Final answer
    x = 1,479.55

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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.