Home / 8,150.28-12,218.58-5,677.80

Finding the Fourth Proportional to 8,150.28, 12,218.58 and 5,677.80

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Solution

The fourth proportional to 8,150.28, 12,218.58 and 5,677.80 is: 8,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.28 : 12,218.58 = 5,677.80 : x
  2. Step 2: Convert to fraction form
    8,150.28/12,218.58 = 5,677.80/x
  3. Step 3: Cross multiply
    8,150.28x = 12,218.58 × 5,677.80
  4. Step 4: Simplify right side
    8,150.28x = 69,374,653.52
  5. Step 5: Solve for x
    x = 69,374,653.52/8,150.28
  6. Step 6: Final answer
    x = 8,511.93

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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.