Home / 5,395.10-8,089.79-2,104.88

Finding the Fourth Proportional to 5,395.10, 8,089.79 and 2,104.88

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Solution

The fourth proportional to 5,395.10, 8,089.79 and 2,104.88 is: 3,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.10 : 8,089.79 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    5,395.10/8,089.79 = 2,104.88/x
  3. Step 3: Cross multiply
    5,395.10x = 8,089.79 × 2,104.88
  4. Step 4: Simplify right side
    5,395.10x = 17,027,986.20
  5. Step 5: Solve for x
    x = 17,027,986.20/5,395.10
  6. Step 6: Final answer
    x = 3,156.20

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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.