Home / 4,168.28-6,249.31-1,393.31

Finding the Fourth Proportional to 4,168.28, 6,249.31 and 1,393.31

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Solution

The fourth proportional to 4,168.28, 6,249.31 and 1,393.31 is: 2,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.28 : 6,249.31 = 1,393.31 : x
  2. Step 2: Convert to fraction form
    4,168.28/6,249.31 = 1,393.31/x
  3. Step 3: Cross multiply
    4,168.28x = 6,249.31 × 1,393.31
  4. Step 4: Simplify right side
    4,168.28x = 8,707,191.39
  5. Step 5: Solve for x
    x = 8,707,191.39/4,168.28
  6. Step 6: Final answer
    x = 2,088.92

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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.