Home / 5,919.50-8,879.32-1,536.69

Finding the Fourth Proportional to 5,919.50, 8,879.32 and 1,536.69

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Solution

The fourth proportional to 5,919.50, 8,879.32 and 1,536.69 is: 2,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.50 : 8,879.32 = 1,536.69 : x
  2. Step 2: Convert to fraction form
    5,919.50/8,879.32 = 1,536.69/x
  3. Step 3: Cross multiply
    5,919.50x = 8,879.32 × 1,536.69
  4. Step 4: Simplify right side
    5,919.50x = 13,644,762.25
  5. Step 5: Solve for x
    x = 13,644,762.25/5,919.50
  6. Step 6: Final answer
    x = 2,305.05

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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.