Home / 4,167.56-6,249.64-2,086.80

Finding the Fourth Proportional to 4,167.56, 6,249.64 and 2,086.80

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Solution

The fourth proportional to 4,167.56, 6,249.64 and 2,086.80 is: 3,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.56 : 6,249.64 = 2,086.80 : x
  2. Step 2: Convert to fraction form
    4,167.56/6,249.64 = 2,086.80/x
  3. Step 3: Cross multiply
    4,167.56x = 6,249.64 × 2,086.80
  4. Step 4: Simplify right side
    4,167.56x = 13,041,748.75
  5. Step 5: Solve for x
    x = 13,041,748.75/4,167.56
  6. Step 6: Final answer
    x = 3,129.35

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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.