Home / 8,728.14-13,087.25-5,958.17

Finding the Fourth Proportional to 8,728.14, 13,087.25 and 5,958.17

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Solution

The fourth proportional to 8,728.14, 13,087.25 and 5,958.17 is: 8,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.14 : 13,087.25 = 5,958.17 : x
  2. Step 2: Convert to fraction form
    8,728.14/13,087.25 = 5,958.17/x
  3. Step 3: Cross multiply
    8,728.14x = 13,087.25 × 5,958.17
  4. Step 4: Simplify right side
    8,728.14x = 77,975,965.11
  5. Step 5: Solve for x
    x = 77,975,965.11/8,728.14
  6. Step 6: Final answer
    x = 8,933.86

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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.