Home / 4,221.93-6,331.34-1,447.86

Finding the Fourth Proportional to 4,221.93, 6,331.34 and 1,447.86

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Solution

The fourth proportional to 4,221.93, 6,331.34 and 1,447.86 is: 2,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.93 : 6,331.34 = 1,447.86 : x
  2. Step 2: Convert to fraction form
    4,221.93/6,331.34 = 1,447.86/x
  3. Step 3: Cross multiply
    4,221.93x = 6,331.34 × 1,447.86
  4. Step 4: Simplify right side
    4,221.93x = 9,166,893.93
  5. Step 5: Solve for x
    x = 9,166,893.93/4,221.93
  6. Step 6: Final answer
    x = 2,171.26

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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.