Home / 5,380.96-8,071.60-2,094.80

Finding the Fourth Proportional to 5,380.96, 8,071.60 and 2,094.80

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Solution

The fourth proportional to 5,380.96, 8,071.60 and 2,094.80 is: 3,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.96 : 8,071.60 = 2,094.80 : x
  2. Step 2: Convert to fraction form
    5,380.96/8,071.60 = 2,094.80/x
  3. Step 3: Cross multiply
    5,380.96x = 8,071.60 × 2,094.80
  4. Step 4: Simplify right side
    5,380.96x = 16,908,387.68
  5. Step 5: Solve for x
    x = 16,908,387.68/5,380.96
  6. Step 6: Final answer
    x = 3,142.26

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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.