Home / 8,864.54-13,299.11-3,318.32

Finding the Fourth Proportional to 8,864.54, 13,299.11 and 3,318.32

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Solution

The fourth proportional to 8,864.54, 13,299.11 and 3,318.32 is: 4,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.54 : 13,299.11 = 3,318.32 : x
  2. Step 2: Convert to fraction form
    8,864.54/13,299.11 = 3,318.32/x
  3. Step 3: Cross multiply
    8,864.54x = 13,299.11 × 3,318.32
  4. Step 4: Simplify right side
    8,864.54x = 44,130,619.61
  5. Step 5: Solve for x
    x = 44,130,619.61/8,864.54
  6. Step 6: Final answer
    x = 4,978.33

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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.