Home / 9,689.87-14,529.35-3,361.79

Finding the Fourth Proportional to 9,689.87, 14,529.35 and 3,361.79

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Solution

The fourth proportional to 9,689.87, 14,529.35 and 3,361.79 is: 5,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.87 : 14,529.35 = 3,361.79 : x
  2. Step 2: Convert to fraction form
    9,689.87/14,529.35 = 3,361.79/x
  3. Step 3: Cross multiply
    9,689.87x = 14,529.35 × 3,361.79
  4. Step 4: Simplify right side
    9,689.87x = 48,844,534.08
  5. Step 5: Solve for x
    x = 48,844,534.08/9,689.87
  6. Step 6: Final answer
    x = 5,040.78

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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.