Home / 6,826.86-10,240.26-2,931.23

Finding the Fourth Proportional to 6,826.86, 10,240.26 and 2,931.23

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Solution

The fourth proportional to 6,826.86, 10,240.26 and 2,931.23 is: 4,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.86 : 10,240.26 = 2,931.23 : x
  2. Step 2: Convert to fraction form
    6,826.86/10,240.26 = 2,931.23/x
  3. Step 3: Cross multiply
    6,826.86x = 10,240.26 × 2,931.23
  4. Step 4: Simplify right side
    6,826.86x = 30,016,571.93
  5. Step 5: Solve for x
    x = 30,016,571.93/6,826.86
  6. Step 6: Final answer
    x = 4,396.83

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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.