Home / 4,220.75-6,332.19-1,447.58

Finding the Fourth Proportional to 4,220.75, 6,332.19 and 1,447.58

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Solution

The fourth proportional to 4,220.75, 6,332.19 and 1,447.58 is: 2,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.75 : 6,332.19 = 1,447.58 : x
  2. Step 2: Convert to fraction form
    4,220.75/6,332.19 = 1,447.58/x
  3. Step 3: Cross multiply
    4,220.75x = 6,332.19 × 1,447.58
  4. Step 4: Simplify right side
    4,220.75x = 9,166,319.94
  5. Step 5: Solve for x
    x = 9,166,319.94/4,220.75
  6. Step 6: Final answer
    x = 2,171.73

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1.5x scale

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.