Home / 8,056.20-11,117.78-4,519.40

Finding the Fourth Proportional to 8,056.20, 11,117.78 and 4,519.40

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Solution

The fourth proportional to 8,056.20, 11,117.78 and 4,519.40 is: 6,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.20 : 11,117.78 = 4,519.40 : x
  2. Step 2: Convert to fraction form
    8,056.20/11,117.78 = 4,519.40/x
  3. Step 3: Cross multiply
    8,056.20x = 11,117.78 × 4,519.40
  4. Step 4: Simplify right side
    8,056.20x = 50,245,694.93
  5. Step 5: Solve for x
    x = 50,245,694.93/8,056.20
  6. Step 6: Final answer
    x = 6,236.90

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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.