Home / 8,811.86-13,219.74-3,265.25

Finding the Fourth Proportional to 8,811.86, 13,219.74 and 3,265.25

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Solution

The fourth proportional to 8,811.86, 13,219.74 and 3,265.25 is: 4,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.86 : 13,219.74 = 3,265.25 : x
  2. Step 2: Convert to fraction form
    8,811.86/13,219.74 = 3,265.25/x
  3. Step 3: Cross multiply
    8,811.86x = 13,219.74 × 3,265.25
  4. Step 4: Simplify right side
    8,811.86x = 43,165,689.94
  5. Step 5: Solve for x
    x = 43,165,689.94/8,811.86
  6. Step 6: Final answer
    x = 4,898.59

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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.