Home / 4,221.72-6,332.51-1,625.22

Finding the Fourth Proportional to 4,221.72, 6,332.51 and 1,625.22

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Solution

The fourth proportional to 4,221.72, 6,332.51 and 1,625.22 is: 2,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.72 : 6,332.51 = 1,625.22 : x
  2. Step 2: Convert to fraction form
    4,221.72/6,332.51 = 1,625.22/x
  3. Step 3: Cross multiply
    4,221.72x = 6,332.51 × 1,625.22
  4. Step 4: Simplify right side
    4,221.72x = 10,291,721.90
  5. Step 5: Solve for x
    x = 10,291,721.90/4,221.72
  6. Step 6: Final answer
    x = 2,437.80

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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.