Home / 8,056.26-12,080.75-3,122.15

Finding the Fourth Proportional to 8,056.26, 12,080.75 and 3,122.15

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Solution

The fourth proportional to 8,056.26, 12,080.75 and 3,122.15 is: 4,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.26 : 12,080.75 = 3,122.15 : x
  2. Step 2: Convert to fraction form
    8,056.26/12,080.75 = 3,122.15/x
  3. Step 3: Cross multiply
    8,056.26x = 12,080.75 × 3,122.15
  4. Step 4: Simplify right side
    8,056.26x = 37,717,837.60
  5. Step 5: Solve for x
    x = 37,717,837.60/8,056.26
  6. Step 6: Final answer
    x = 4,681.80

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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.