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Finding the Fourth Proportional to 5,862.12, 8,796.78 and 3,090.80

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Solution

The fourth proportional to 5,862.12, 8,796.78 and 3,090.80 is: 4,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.12 : 8,796.78 = 3,090.80 : x
  2. Step 2: Convert to fraction form
    5,862.12/8,796.78 = 3,090.80/x
  3. Step 3: Cross multiply
    5,862.12x = 8,796.78 × 3,090.80
  4. Step 4: Simplify right side
    5,862.12x = 27,189,087.62
  5. Step 5: Solve for x
    x = 27,189,087.62/5,862.12
  6. Step 6: Final answer
    x = 4,638.10

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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.