Home / 8,917.04-13,375.76-2,993.91

Finding the Fourth Proportional to 8,917.04, 13,375.76 and 2,993.91

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Solution

The fourth proportional to 8,917.04, 13,375.76 and 2,993.91 is: 4,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.04 : 13,375.76 = 2,993.91 : x
  2. Step 2: Convert to fraction form
    8,917.04/13,375.76 = 2,993.91/x
  3. Step 3: Cross multiply
    8,917.04x = 13,375.76 × 2,993.91
  4. Step 4: Simplify right side
    8,917.04x = 40,045,806.65
  5. Step 5: Solve for x
    x = 40,045,806.65/8,917.04
  6. Step 6: Final answer
    x = 4,490.93

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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.