Home / 8,260.86-11,399.22-4,903.09

Finding the Fourth Proportional to 8,260.86, 11,399.22 and 4,903.09

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Solution

The fourth proportional to 8,260.86, 11,399.22 and 4,903.09 is: 6,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.86 : 11,399.22 = 4,903.09 : x
  2. Step 2: Convert to fraction form
    8,260.86/11,399.22 = 4,903.09/x
  3. Step 3: Cross multiply
    8,260.86x = 11,399.22 × 4,903.09
  4. Step 4: Simplify right side
    8,260.86x = 55,891,401.59
  5. Step 5: Solve for x
    x = 55,891,401.59/8,260.86
  6. Step 6: Final answer
    x = 6,765.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.