Home / 8,961.12-13,433.04-5,664

Finding the Fourth Proportional to 8,961.12, 13,433.04 and 5,664

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Solution

The fourth proportional to 8,961.12, 13,433.04 and 5,664 is: 8,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.12 : 13,433.04 = 5,664 : x
  2. Step 2: Convert to fraction form
    8,961.12/13,433.04 = 5,664/x
  3. Step 3: Cross multiply
    8,961.12x = 13,433.04 × 5,664
  4. Step 4: Simplify right side
    8,961.12x = 76,084,738.56
  5. Step 5: Solve for x
    x = 76,084,738.56/8,961.12
  6. Step 6: Final answer
    x = 8,490.54

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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.