Home / 8,917.23-13,378.90-3,372.17

Finding the Fourth Proportional to 8,917.23, 13,378.90 and 3,372.17

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Solution

The fourth proportional to 8,917.23, 13,378.90 and 3,372.17 is: 5,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.23 : 13,378.90 = 3,372.17 : x
  2. Step 2: Convert to fraction form
    8,917.23/13,378.90 = 3,372.17/x
  3. Step 3: Cross multiply
    8,917.23x = 13,378.90 × 3,372.17
  4. Step 4: Simplify right side
    8,917.23x = 45,115,925.21
  5. Step 5: Solve for x
    x = 45,115,925.21/8,917.23
  6. Step 6: Final answer
    x = 5,059.41

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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.