Home / 4,167.36-6,249.66-1,393.20

Finding the Fourth Proportional to 4,167.36, 6,249.66 and 1,393.20

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Solution

The fourth proportional to 4,167.36, 6,249.66 and 1,393.20 is: 2,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.36 : 6,249.66 = 1,393.20 : x
  2. Step 2: Convert to fraction form
    4,167.36/6,249.66 = 1,393.20/x
  3. Step 3: Cross multiply
    4,167.36x = 6,249.66 × 1,393.20
  4. Step 4: Simplify right side
    4,167.36x = 8,707,026.31
  5. Step 5: Solve for x
    x = 8,707,026.31/4,167.36
  6. Step 6: Final answer
    x = 2,089.34

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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.