Home / 4,167.79-6,249.86-1,245.41

Finding the Fourth Proportional to 4,167.79, 6,249.86 and 1,245.41

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Solution

The fourth proportional to 4,167.79, 6,249.86 and 1,245.41 is: 1,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.79 : 6,249.86 = 1,245.41 : x
  2. Step 2: Convert to fraction form
    4,167.79/6,249.86 = 1,245.41/x
  3. Step 3: Cross multiply
    4,167.79x = 6,249.86 × 1,245.41
  4. Step 4: Simplify right side
    4,167.79x = 7,783,628.77
  5. Step 5: Solve for x
    x = 7,783,628.77/4,167.79
  6. Step 6: Final answer
    x = 1,867.57

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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.