Home / 8,879.16-13,319.40-2,305.38

Finding the Fourth Proportional to 8,879.16, 13,319.40 and 2,305.38

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Solution

The fourth proportional to 8,879.16, 13,319.40 and 2,305.38 is: 3,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.16 : 13,319.40 = 2,305.38 : x
  2. Step 2: Convert to fraction form
    8,879.16/13,319.40 = 2,305.38/x
  3. Step 3: Cross multiply
    8,879.16x = 13,319.40 × 2,305.38
  4. Step 4: Simplify right side
    8,879.16x = 30,706,278.37
  5. Step 5: Solve for x
    x = 30,706,278.37/8,879.16
  6. Step 6: Final answer
    x = 3,458.24

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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.