Home / 8,066.56-11,131.86-4,530

Finding the Fourth Proportional to 8,066.56, 11,131.86 and 4,530

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Solution

The fourth proportional to 8,066.56, 11,131.86 and 4,530 is: 6,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.56 : 11,131.86 = 4,530 : x
  2. Step 2: Convert to fraction form
    8,066.56/11,131.86 = 4,530/x
  3. Step 3: Cross multiply
    8,066.56x = 11,131.86 × 4,530
  4. Step 4: Simplify right side
    8,066.56x = 50,427,325.80
  5. Step 5: Solve for x
    x = 50,427,325.80/8,066.56
  6. Step 6: Final answer
    x = 6,251.40

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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.