Home / 4,084.19-6,125.15-1,121.92

Finding the Fourth Proportional to 4,084.19, 6,125.15 and 1,121.92

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Solution

The fourth proportional to 4,084.19, 6,125.15 and 1,121.92 is: 1,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.19 : 6,125.15 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    4,084.19/6,125.15 = 1,121.92/x
  3. Step 3: Cross multiply
    4,084.19x = 6,125.15 × 1,121.92
  4. Step 4: Simplify right side
    4,084.19x = 6,871,907.37
  5. Step 5: Solve for x
    x = 6,871,907.37/4,084.19
  6. Step 6: Final answer
    x = 1,682.57

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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.