Home / 5,551.17-8,321.88-2,090.85

Finding the Fourth Proportional to 5,551.17, 8,321.88 and 2,090.85

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Solution

The fourth proportional to 5,551.17, 8,321.88 and 2,090.85 is: 3,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.17 : 8,321.88 = 2,090.85 : x
  2. Step 2: Convert to fraction form
    5,551.17/8,321.88 = 2,090.85/x
  3. Step 3: Cross multiply
    5,551.17x = 8,321.88 × 2,090.85
  4. Step 4: Simplify right side
    5,551.17x = 17,399,802.80
  5. Step 5: Solve for x
    x = 17,399,802.80/5,551.17
  6. Step 6: Final answer
    x = 3,134.44

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1.5x scale

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.