Home / 4,148.15-5,727.20-3,189.36

Finding the Fourth Proportional to 4,148.15, 5,727.20 and 3,189.36

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Solution

The fourth proportional to 4,148.15, 5,727.20 and 3,189.36 is: 4,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.15 : 5,727.20 = 3,189.36 : x
  2. Step 2: Convert to fraction form
    4,148.15/5,727.20 = 3,189.36/x
  3. Step 3: Cross multiply
    4,148.15x = 5,727.20 × 3,189.36
  4. Step 4: Simplify right side
    4,148.15x = 18,266,102.59
  5. Step 5: Solve for x
    x = 18,266,102.59/4,148.15
  6. Step 6: Final answer
    x = 4,403.43

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1.5x scale

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.