Home / 5,390.74-8,090.97-3,536.65

Finding the Fourth Proportional to 5,390.74, 8,090.97 and 3,536.65

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Solution

The fourth proportional to 5,390.74, 8,090.97 and 3,536.65 is: 5,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.74 : 8,090.97 = 3,536.65 : x
  2. Step 2: Convert to fraction form
    5,390.74/8,090.97 = 3,536.65/x
  3. Step 3: Cross multiply
    5,390.74x = 8,090.97 × 3,536.65
  4. Step 4: Simplify right side
    5,390.74x = 28,614,929.05
  5. Step 5: Solve for x
    x = 28,614,929.05/5,390.74
  6. Step 6: Final answer
    x = 5,308.16

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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.