Home / 8,961.12-13,447.44-4,860

Finding the Fourth Proportional to 8,961.12, 13,447.44 and 4,860

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Solution

The fourth proportional to 8,961.12, 13,447.44 and 4,860 is: 7,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.12 : 13,447.44 = 4,860 : x
  2. Step 2: Convert to fraction form
    8,961.12/13,447.44 = 4,860/x
  3. Step 3: Cross multiply
    8,961.12x = 13,447.44 × 4,860
  4. Step 4: Simplify right side
    8,961.12x = 65,354,558.40
  5. Step 5: Solve for x
    x = 65,354,558.40/8,961.12
  6. Step 6: Final answer
    x = 7,293.12

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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.