Home / 9,090.62-13,636.10-2,850.49

Finding the Fourth Proportional to 9,090.62, 13,636.10 and 2,850.49

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Solution

The fourth proportional to 9,090.62, 13,636.10 and 2,850.49 is: 4,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.62 : 13,636.10 = 2,850.49 : x
  2. Step 2: Convert to fraction form
    9,090.62/13,636.10 = 2,850.49/x
  3. Step 3: Cross multiply
    9,090.62x = 13,636.10 × 2,850.49
  4. Step 4: Simplify right side
    9,090.62x = 38,869,566.69
  5. Step 5: Solve for x
    x = 38,869,566.69/9,090.62
  6. Step 6: Final answer
    x = 4,275.79

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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.