Home / 8,812.20-13,215.42-3,265.32

Finding the Fourth Proportional to 8,812.20, 13,215.42 and 3,265.32

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Solution

The fourth proportional to 8,812.20, 13,215.42 and 3,265.32 is: 4,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.20 : 13,215.42 = 3,265.32 : x
  2. Step 2: Convert to fraction form
    8,812.20/13,215.42 = 3,265.32/x
  3. Step 3: Cross multiply
    8,812.20x = 13,215.42 × 3,265.32
  4. Step 4: Simplify right side
    8,812.20x = 43,152,575.23
  5. Step 5: Solve for x
    x = 43,152,575.23/8,812.20
  6. Step 6: Final answer
    x = 4,896.91

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1.5x scale

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.