Home / 4,125.25-6,191.40-1,661.84

Finding the Fourth Proportional to 4,125.25, 6,191.40 and 1,661.84

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Solution

The fourth proportional to 4,125.25, 6,191.40 and 1,661.84 is: 2,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.25 : 6,191.40 = 1,661.84 : x
  2. Step 2: Convert to fraction form
    4,125.25/6,191.40 = 1,661.84/x
  3. Step 3: Cross multiply
    4,125.25x = 6,191.40 × 1,661.84
  4. Step 4: Simplify right side
    4,125.25x = 10,289,116.18
  5. Step 5: Solve for x
    x = 10,289,116.18/4,125.25
  6. Step 6: Final answer
    x = 2,494.18

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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.