Home / 8,910.24-13,370.04-5,219.72

Finding the Fourth Proportional to 8,910.24, 13,370.04 and 5,219.72

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Solution

The fourth proportional to 8,910.24, 13,370.04 and 5,219.72 is: 7,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.24 : 13,370.04 = 5,219.72 : x
  2. Step 2: Convert to fraction form
    8,910.24/13,370.04 = 5,219.72/x
  3. Step 3: Cross multiply
    8,910.24x = 13,370.04 × 5,219.72
  4. Step 4: Simplify right side
    8,910.24x = 69,787,865.19
  5. Step 5: Solve for x
    x = 69,787,865.19/8,910.24
  6. Step 6: Final answer
    x = 7,832.32

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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.