Home / 8,919.48-13,380.75-2,996.93

Finding the Fourth Proportional to 8,919.48, 13,380.75 and 2,996.93

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Solution

The fourth proportional to 8,919.48, 13,380.75 and 2,996.93 is: 4,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.48 : 13,380.75 = 2,996.93 : x
  2. Step 2: Convert to fraction form
    8,919.48/13,380.75 = 2,996.93/x
  3. Step 3: Cross multiply
    8,919.48x = 13,380.75 × 2,996.93
  4. Step 4: Simplify right side
    8,919.48x = 40,101,143.13
  5. Step 5: Solve for x
    x = 40,101,143.13/8,919.48
  6. Step 6: Final answer
    x = 4,495.91

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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.