Home / 5,919.92-8,880-1,537.12

Finding the Fourth Proportional to 5,919.92, 8,880 and 1,537.12

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Solution

The fourth proportional to 5,919.92, 8,880 and 1,537.12 is: 2,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.92 : 8,880 = 1,537.12 : x
  2. Step 2: Convert to fraction form
    5,919.92/8,880 = 1,537.12/x
  3. Step 3: Cross multiply
    5,919.92x = 8,880 × 1,537.12
  4. Step 4: Simplify right side
    5,919.92x = 13,649,625.60
  5. Step 5: Solve for x
    x = 13,649,625.60/5,919.92
  6. Step 6: Final answer
    x = 2,305.71

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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.