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Finding the Fourth Proportional to 8,892.81, 13,339.97 and 2,318.99

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Solution

The fourth proportional to 8,892.81, 13,339.97 and 2,318.99 is: 3,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.81 : 13,339.97 = 2,318.99 : x
  2. Step 2: Convert to fraction form
    8,892.81/13,339.97 = 2,318.99/x
  3. Step 3: Cross multiply
    8,892.81x = 13,339.97 × 2,318.99
  4. Step 4: Simplify right side
    8,892.81x = 30,935,178.74
  5. Step 5: Solve for x
    x = 30,935,178.74/8,892.81
  6. Step 6: Final answer
    x = 3,478.67

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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.