Home / 8,065.80-11,131.20-4,530.12

Finding the Fourth Proportional to 8,065.80, 11,131.20 and 4,530.12

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Solution

The fourth proportional to 8,065.80, 11,131.20 and 4,530.12 is: 6,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.80 : 11,131.20 = 4,530.12 : x
  2. Step 2: Convert to fraction form
    8,065.80/11,131.20 = 4,530.12/x
  3. Step 3: Cross multiply
    8,065.80x = 11,131.20 × 4,530.12
  4. Step 4: Simplify right side
    8,065.80x = 50,425,671.74
  5. Step 5: Solve for x
    x = 50,425,671.74/8,065.80
  6. Step 6: Final answer
    x = 6,251.79

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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.