Home / 5,090.32-7,627.14-3,136.96

Finding the Fourth Proportional to 5,090.32, 7,627.14 and 3,136.96

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Solution

The fourth proportional to 5,090.32, 7,627.14 and 3,136.96 is: 4,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.32 : 7,627.14 = 3,136.96 : x
  2. Step 2: Convert to fraction form
    5,090.32/7,627.14 = 3,136.96/x
  3. Step 3: Cross multiply
    5,090.32x = 7,627.14 × 3,136.96
  4. Step 4: Simplify right side
    5,090.32x = 23,926,033.09
  5. Step 5: Solve for x
    x = 23,926,033.09/5,090.32
  6. Step 6: Final answer
    x = 4,700.30

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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.