Home / 8,043.56-12,066.95-2,778.76

Finding the Fourth Proportional to 8,043.56, 12,066.95 and 2,778.76

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Solution

The fourth proportional to 8,043.56, 12,066.95 and 2,778.76 is: 4,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.56 : 12,066.95 = 2,778.76 : x
  2. Step 2: Convert to fraction form
    8,043.56/12,066.95 = 2,778.76/x
  3. Step 3: Cross multiply
    8,043.56x = 12,066.95 × 2,778.76
  4. Step 4: Simplify right side
    8,043.56x = 33,531,164.93
  5. Step 5: Solve for x
    x = 33,531,164.93/8,043.56
  6. Step 6: Final answer
    x = 4,168.70

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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.