Home / 8,150.84-12,216.20-4,643.80

Finding the Fourth Proportional to 8,150.84, 12,216.20 and 4,643.80

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Solution

The fourth proportional to 8,150.84, 12,216.20 and 4,643.80 is: 6,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.84 : 12,216.20 = 4,643.80 : x
  2. Step 2: Convert to fraction form
    8,150.84/12,216.20 = 4,643.80/x
  3. Step 3: Cross multiply
    8,150.84x = 12,216.20 × 4,643.80
  4. Step 4: Simplify right side
    8,150.84x = 56,729,589.56
  5. Step 5: Solve for x
    x = 56,729,589.56/8,150.84
  6. Step 6: Final answer
    x = 6,959.97

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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.