Home / 8,724.14-13,089.71-3,177.87

Finding the Fourth Proportional to 8,724.14, 13,089.71 and 3,177.87

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Solution

The fourth proportional to 8,724.14, 13,089.71 and 3,177.87 is: 4,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.14 : 13,089.71 = 3,177.87 : x
  2. Step 2: Convert to fraction form
    8,724.14/13,089.71 = 3,177.87/x
  3. Step 3: Cross multiply
    8,724.14x = 13,089.71 × 3,177.87
  4. Step 4: Simplify right side
    8,724.14x = 41,597,315.38
  5. Step 5: Solve for x
    x = 41,597,315.38/8,724.14
  6. Step 6: Final answer
    x = 4,768.07

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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.