Home / 4,185.28-6,273.84-1,993.42

Finding the Fourth Proportional to 4,185.28, 6,273.84 and 1,993.42

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Solution

The fourth proportional to 4,185.28, 6,273.84 and 1,993.42 is: 2,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.28 : 6,273.84 = 1,993.42 : x
  2. Step 2: Convert to fraction form
    4,185.28/6,273.84 = 1,993.42/x
  3. Step 3: Cross multiply
    4,185.28x = 6,273.84 × 1,993.42
  4. Step 4: Simplify right side
    4,185.28x = 12,506,398.13
  5. Step 5: Solve for x
    x = 12,506,398.13/4,185.28
  6. Step 6: Final answer
    x = 2,988.19

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1.5x scale

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.