Home / 8,379.03-11,563.01-5,021.85

Finding the Fourth Proportional to 8,379.03, 11,563.01 and 5,021.85

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Solution

The fourth proportional to 8,379.03, 11,563.01 and 5,021.85 is: 6,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.03 : 11,563.01 = 5,021.85 : x
  2. Step 2: Convert to fraction form
    8,379.03/11,563.01 = 5,021.85/x
  3. Step 3: Cross multiply
    8,379.03x = 11,563.01 × 5,021.85
  4. Step 4: Simplify right side
    8,379.03x = 58,067,655.41
  5. Step 5: Solve for x
    x = 58,067,655.41/8,379.03
  6. Step 6: Final answer
    x = 6,930.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.