Home / 5,080.60-7,625.70-3,136.60

Finding the Fourth Proportional to 5,080.60, 7,625.70 and 3,136.60

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Solution

The fourth proportional to 5,080.60, 7,625.70 and 3,136.60 is: 4,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.60 : 7,625.70 = 3,136.60 : x
  2. Step 2: Convert to fraction form
    5,080.60/7,625.70 = 3,136.60/x
  3. Step 3: Cross multiply
    5,080.60x = 7,625.70 × 3,136.60
  4. Step 4: Simplify right side
    5,080.60x = 23,918,770.62
  5. Step 5: Solve for x
    x = 23,918,770.62/5,080.60
  6. Step 6: Final answer
    x = 4,707.86

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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.