Home / 8,724.23-13,089.84-3,177.96

Finding the Fourth Proportional to 8,724.23, 13,089.84 and 3,177.96

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Solution

The fourth proportional to 8,724.23, 13,089.84 and 3,177.96 is: 4,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.23 : 13,089.84 = 3,177.96 : x
  2. Step 2: Convert to fraction form
    8,724.23/13,089.84 = 3,177.96/x
  3. Step 3: Cross multiply
    8,724.23x = 13,089.84 × 3,177.96
  4. Step 4: Simplify right side
    8,724.23x = 41,598,944.80
  5. Step 5: Solve for x
    x = 41,598,944.80/8,724.23
  6. Step 6: Final answer
    x = 4,768.21

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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.