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Finding the Fourth Proportional to 8,056.79, 12,080.19 and 2,508.56

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Solution

The fourth proportional to 8,056.79, 12,080.19 and 2,508.56 is: 3,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.79 : 12,080.19 = 2,508.56 : x
  2. Step 2: Convert to fraction form
    8,056.79/12,080.19 = 2,508.56/x
  3. Step 3: Cross multiply
    8,056.79x = 12,080.19 × 2,508.56
  4. Step 4: Simplify right side
    8,056.79x = 30,303,881.43
  5. Step 5: Solve for x
    x = 30,303,881.43/8,056.79
  6. Step 6: Final answer
    x = 3,761.28

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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.