Home / 9,090.53-13,635.96-2,850.40

Finding the Fourth Proportional to 9,090.53, 13,635.96 and 2,850.40

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Solution

The fourth proportional to 9,090.53, 13,635.96 and 2,850.40 is: 4,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.53 : 13,635.96 = 2,850.40 : x
  2. Step 2: Convert to fraction form
    9,090.53/13,635.96 = 2,850.40/x
  3. Step 3: Cross multiply
    9,090.53x = 13,635.96 × 2,850.40
  4. Step 4: Simplify right side
    9,090.53x = 38,867,940.38
  5. Step 5: Solve for x
    x = 38,867,940.38/9,090.53
  6. Step 6: Final answer
    x = 4,275.65

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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.