Home / 7,020.83-10,531.78-2,090.09

Finding the Fourth Proportional to 7,020.83, 10,531.78 and 2,090.09

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Solution

The fourth proportional to 7,020.83, 10,531.78 and 2,090.09 is: 3,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.83 : 10,531.78 = 2,090.09 : x
  2. Step 2: Convert to fraction form
    7,020.83/10,531.78 = 2,090.09/x
  3. Step 3: Cross multiply
    7,020.83x = 10,531.78 × 2,090.09
  4. Step 4: Simplify right side
    7,020.83x = 22,012,310.18
  5. Step 5: Solve for x
    x = 22,012,310.18/7,020.83
  6. Step 6: Final answer
    x = 3,135.29

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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.