Home / 4,221.99-6,331.91-1,259.73

Finding the Fourth Proportional to 4,221.99, 6,331.91 and 1,259.73

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Solution

The fourth proportional to 4,221.99, 6,331.91 and 1,259.73 is: 1,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.99 : 6,331.91 = 1,259.73 : x
  2. Step 2: Convert to fraction form
    4,221.99/6,331.91 = 1,259.73/x
  3. Step 3: Cross multiply
    4,221.99x = 6,331.91 × 1,259.73
  4. Step 4: Simplify right side
    4,221.99x = 7,976,490.69
  5. Step 5: Solve for x
    x = 7,976,490.69/4,221.99
  6. Step 6: Final answer
    x = 1,889.27

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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.