Home / 8,161.26-11,261.68-4,803.87

Finding the Fourth Proportional to 8,161.26, 11,261.68 and 4,803.87

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Solution

The fourth proportional to 8,161.26, 11,261.68 and 4,803.87 is: 6,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.26 : 11,261.68 = 4,803.87 : x
  2. Step 2: Convert to fraction form
    8,161.26/11,261.68 = 4,803.87/x
  3. Step 3: Cross multiply
    8,161.26x = 11,261.68 × 4,803.87
  4. Step 4: Simplify right side
    8,161.26x = 54,099,656.43
  5. Step 5: Solve for x
    x = 54,099,656.43/8,161.26
  6. Step 6: Final answer
    x = 6,628.84

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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.