Home / 8,724.60-13,089.20-3,795.21

Finding the Fourth Proportional to 8,724.60, 13,089.20 and 3,795.21

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Solution

The fourth proportional to 8,724.60, 13,089.20 and 3,795.21 is: 5,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.60 : 13,089.20 = 3,795.21 : x
  2. Step 2: Convert to fraction form
    8,724.60/13,089.20 = 3,795.21/x
  3. Step 3: Cross multiply
    8,724.60x = 13,089.20 × 3,795.21
  4. Step 4: Simplify right side
    8,724.60x = 49,676,243.76
  5. Step 5: Solve for x
    x = 49,676,243.76/8,724.60
  6. Step 6: Final answer
    x = 5,693.81

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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.