Home / 8,114.40-11,199.60-5,134.14

Finding the Fourth Proportional to 8,114.40, 11,199.60 and 5,134.14

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Solution

The fourth proportional to 8,114.40, 11,199.60 and 5,134.14 is: 7,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.40 : 11,199.60 = 5,134.14 : x
  2. Step 2: Convert to fraction form
    8,114.40/11,199.60 = 5,134.14/x
  3. Step 3: Cross multiply
    8,114.40x = 11,199.60 × 5,134.14
  4. Step 4: Simplify right side
    8,114.40x = 57,500,314.34
  5. Step 5: Solve for x
    x = 57,500,314.34/8,114.40
  6. Step 6: Final answer
    x = 7,086.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.