Home / 8,857.30-13,285.16-3,308.02

Finding the Fourth Proportional to 8,857.30, 13,285.16 and 3,308.02

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Solution

The fourth proportional to 8,857.30, 13,285.16 and 3,308.02 is: 4,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.30 : 13,285.16 = 3,308.02 : x
  2. Step 2: Convert to fraction form
    8,857.30/13,285.16 = 3,308.02/x
  3. Step 3: Cross multiply
    8,857.30x = 13,285.16 × 3,308.02
  4. Step 4: Simplify right side
    8,857.30x = 43,947,574.98
  5. Step 5: Solve for x
    x = 43,947,574.98/8,857.30
  6. Step 6: Final answer
    x = 4,961.73

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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.