Home / 5,919.89-8,879.76-1,537.18

Finding the Fourth Proportional to 5,919.89, 8,879.76 and 1,537.18

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Solution

The fourth proportional to 5,919.89, 8,879.76 and 1,537.18 is: 2,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.89 : 8,879.76 = 1,537.18 : x
  2. Step 2: Convert to fraction form
    5,919.89/8,879.76 = 1,537.18/x
  3. Step 3: Cross multiply
    5,919.89x = 8,879.76 × 1,537.18
  4. Step 4: Simplify right side
    5,919.89x = 13,649,767.28
  5. Step 5: Solve for x
    x = 13,649,767.28/5,919.89
  6. Step 6: Final answer
    x = 2,305.75

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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.