Home / 8,865.22-13,305.99-4,485.76

Finding the Fourth Proportional to 8,865.22, 13,305.99 and 4,485.76

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Solution

The fourth proportional to 8,865.22, 13,305.99 and 4,485.76 is: 6,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.22 : 13,305.99 = 4,485.76 : x
  2. Step 2: Convert to fraction form
    8,865.22/13,305.99 = 4,485.76/x
  3. Step 3: Cross multiply
    8,865.22x = 13,305.99 × 4,485.76
  4. Step 4: Simplify right side
    8,865.22x = 59,687,477.70
  5. Step 5: Solve for x
    x = 59,687,477.70/8,865.22
  6. Step 6: Final answer
    x = 6,732.77

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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.