Home / 5,409.02-8,110.20-2,118.26

Finding the Fourth Proportional to 5,409.02, 8,110.20 and 2,118.26

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Solution

The fourth proportional to 5,409.02, 8,110.20 and 2,118.26 is: 3,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.02 : 8,110.20 = 2,118.26 : x
  2. Step 2: Convert to fraction form
    5,409.02/8,110.20 = 2,118.26/x
  3. Step 3: Cross multiply
    5,409.02x = 8,110.20 × 2,118.26
  4. Step 4: Simplify right side
    5,409.02x = 17,179,512.25
  5. Step 5: Solve for x
    x = 17,179,512.25/5,409.02
  6. Step 6: Final answer
    x = 3,176.09

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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.