Home / 8,923.23-13,391-3,079.86

Finding the Fourth Proportional to 8,923.23, 13,391 and 3,079.86

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Solution

The fourth proportional to 8,923.23, 13,391 and 3,079.86 is: 4,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.23 : 13,391 = 3,079.86 : x
  2. Step 2: Convert to fraction form
    8,923.23/13,391 = 3,079.86/x
  3. Step 3: Cross multiply
    8,923.23x = 13,391 × 3,079.86
  4. Step 4: Simplify right side
    8,923.23x = 41,242,405.26
  5. Step 5: Solve for x
    x = 41,242,405.26/8,923.23
  6. Step 6: Final answer
    x = 4,621.91

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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.