Home / 8,066.20-11,134.08-5,087

Finding the Fourth Proportional to 8,066.20, 11,134.08 and 5,087

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Solution

The fourth proportional to 8,066.20, 11,134.08 and 5,087 is: 7,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.20 : 11,134.08 = 5,087 : x
  2. Step 2: Convert to fraction form
    8,066.20/11,134.08 = 5,087/x
  3. Step 3: Cross multiply
    8,066.20x = 11,134.08 × 5,087
  4. Step 4: Simplify right side
    8,066.20x = 56,639,064.96
  5. Step 5: Solve for x
    x = 56,639,064.96/8,066.20
  6. Step 6: Final answer
    x = 7,021.78

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1.5x scale

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.