Home / 4,391.15-6,589.32-1,619.77

Finding the Fourth Proportional to 4,391.15, 6,589.32 and 1,619.77

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Solution

The fourth proportional to 4,391.15, 6,589.32 and 1,619.77 is: 2,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.15 : 6,589.32 = 1,619.77 : x
  2. Step 2: Convert to fraction form
    4,391.15/6,589.32 = 1,619.77/x
  3. Step 3: Cross multiply
    4,391.15x = 6,589.32 × 1,619.77
  4. Step 4: Simplify right side
    4,391.15x = 10,673,182.86
  5. Step 5: Solve for x
    x = 10,673,182.86/4,391.15
  6. Step 6: Final answer
    x = 2,430.61

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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.