Home / 8,687.30-13,027.08-2,763.07

Finding the Fourth Proportional to 8,687.30, 13,027.08 and 2,763.07

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Solution

The fourth proportional to 8,687.30, 13,027.08 and 2,763.07 is: 4,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.30 : 13,027.08 = 2,763.07 : x
  2. Step 2: Convert to fraction form
    8,687.30/13,027.08 = 2,763.07/x
  3. Step 3: Cross multiply
    8,687.30x = 13,027.08 × 2,763.07
  4. Step 4: Simplify right side
    8,687.30x = 35,994,787.78
  5. Step 5: Solve for x
    x = 35,994,787.78/8,687.30
  6. Step 6: Final answer
    x = 4,143.38

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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.