Home / 5,407.74-8,109.96-2,809.26

Finding the Fourth Proportional to 5,407.74, 8,109.96 and 2,809.26

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Solution

The fourth proportional to 5,407.74, 8,109.96 and 2,809.26 is: 4,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.74 : 8,109.96 = 2,809.26 : x
  2. Step 2: Convert to fraction form
    5,407.74/8,109.96 = 2,809.26/x
  3. Step 3: Cross multiply
    5,407.74x = 8,109.96 × 2,809.26
  4. Step 4: Simplify right side
    5,407.74x = 22,782,986.23
  5. Step 5: Solve for x
    x = 22,782,986.23/5,407.74
  6. Step 6: Final answer
    x = 4,213.03

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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.