Home / 5,619.66-8,440.43-4,580.43

Finding the Fourth Proportional to 5,619.66, 8,440.43 and 4,580.43

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Solution

The fourth proportional to 5,619.66, 8,440.43 and 4,580.43 is: 6,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.66 : 8,440.43 = 4,580.43 : x
  2. Step 2: Convert to fraction form
    5,619.66/8,440.43 = 4,580.43/x
  3. Step 3: Cross multiply
    5,619.66x = 8,440.43 × 4,580.43
  4. Step 4: Simplify right side
    5,619.66x = 38,660,775.88
  5. Step 5: Solve for x
    x = 38,660,775.88/5,619.66
  6. Step 6: Final answer
    x = 6,879.56

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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.