Home / 4,220.75-6,331.17-1,625.51

Finding the Fourth Proportional to 4,220.75, 6,331.17 and 1,625.51

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Solution

The fourth proportional to 4,220.75, 6,331.17 and 1,625.51 is: 2,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.75 : 6,331.17 = 1,625.51 : x
  2. Step 2: Convert to fraction form
    4,220.75/6,331.17 = 1,625.51/x
  3. Step 3: Cross multiply
    4,220.75x = 6,331.17 × 1,625.51
  4. Step 4: Simplify right side
    4,220.75x = 10,291,380.15
  5. Step 5: Solve for x
    x = 10,291,380.15/4,220.75
  6. Step 6: Final answer
    x = 2,438.28

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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.