Home / 8,867.28-13,300.14-3,318

Finding the Fourth Proportional to 8,867.28, 13,300.14 and 3,318

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Solution

The fourth proportional to 8,867.28, 13,300.14 and 3,318 is: 4,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.28 : 13,300.14 = 3,318 : x
  2. Step 2: Convert to fraction form
    8,867.28/13,300.14 = 3,318/x
  3. Step 3: Cross multiply
    8,867.28x = 13,300.14 × 3,318
  4. Step 4: Simplify right side
    8,867.28x = 44,129,864.52
  5. Step 5: Solve for x
    x = 44,129,864.52/8,867.28
  6. Step 6: Final answer
    x = 4,976.71

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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.