Home / 4,221.24-6,332.82-1,447.80

Finding the Fourth Proportional to 4,221.24, 6,332.82 and 1,447.80

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Solution

The fourth proportional to 4,221.24, 6,332.82 and 1,447.80 is: 2,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.24 : 6,332.82 = 1,447.80 : x
  2. Step 2: Convert to fraction form
    4,221.24/6,332.82 = 1,447.80/x
  3. Step 3: Cross multiply
    4,221.24x = 6,332.82 × 1,447.80
  4. Step 4: Simplify right side
    4,221.24x = 9,168,656.80
  5. Step 5: Solve for x
    x = 9,168,656.80/4,221.24
  6. Step 6: Final answer
    x = 2,172.03

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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.