Home / 9,090.65-13,636.15-2,850.53

Finding the Fourth Proportional to 9,090.65, 13,636.15 and 2,850.53

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Solution

The fourth proportional to 9,090.65, 13,636.15 and 2,850.53 is: 4,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.65 : 13,636.15 = 2,850.53 : x
  2. Step 2: Convert to fraction form
    9,090.65/13,636.15 = 2,850.53/x
  3. Step 3: Cross multiply
    9,090.65x = 13,636.15 × 2,850.53
  4. Step 4: Simplify right side
    9,090.65x = 38,870,179.35
  5. Step 5: Solve for x
    x = 38,870,179.35/9,090.65
  6. Step 6: Final answer
    x = 4,275.84

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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.