Home / 5,012.80-7,519.89-2,090.43

Finding the Fourth Proportional to 5,012.80, 7,519.89 and 2,090.43

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Solution

The fourth proportional to 5,012.80, 7,519.89 and 2,090.43 is: 3,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.80 : 7,519.89 = 2,090.43 : x
  2. Step 2: Convert to fraction form
    5,012.80/7,519.89 = 2,090.43/x
  3. Step 3: Cross multiply
    5,012.80x = 7,519.89 × 2,090.43
  4. Step 4: Simplify right side
    5,012.80x = 15,719,803.65
  5. Step 5: Solve for x
    x = 15,719,803.65/5,012.80
  6. Step 6: Final answer
    x = 3,135.93

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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.