Home / 5,643.46-8,480.52-3,012.79

Finding the Fourth Proportional to 5,643.46, 8,480.52 and 3,012.79

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Solution

The fourth proportional to 5,643.46, 8,480.52 and 3,012.79 is: 4,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.46 : 8,480.52 = 3,012.79 : x
  2. Step 2: Convert to fraction form
    5,643.46/8,480.52 = 3,012.79/x
  3. Step 3: Cross multiply
    5,643.46x = 8,480.52 × 3,012.79
  4. Step 4: Simplify right side
    5,643.46x = 25,550,025.85
  5. Step 5: Solve for x
    x = 25,550,025.85/5,643.46
  6. Step 6: Final answer
    x = 4,527.37

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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.