Home / 3,989.16-5,508.27-3,568.77

Finding the Fourth Proportional to 3,989.16, 5,508.27 and 3,568.77

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Solution

The fourth proportional to 3,989.16, 5,508.27 and 3,568.77 is: 4,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.16 : 5,508.27 = 3,568.77 : x
  2. Step 2: Convert to fraction form
    3,989.16/5,508.27 = 3,568.77/x
  3. Step 3: Cross multiply
    3,989.16x = 5,508.27 × 3,568.77
  4. Step 4: Simplify right side
    3,989.16x = 19,657,748.73
  5. Step 5: Solve for x
    x = 19,657,748.73/3,989.16
  6. Step 6: Final answer
    x = 4,927.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.