Home / 4,222.16-6,334.28-1,625.28

Finding the Fourth Proportional to 4,222.16, 6,334.28 and 1,625.28

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Solution

The fourth proportional to 4,222.16, 6,334.28 and 1,625.28 is: 2,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.16 : 6,334.28 = 1,625.28 : x
  2. Step 2: Convert to fraction form
    4,222.16/6,334.28 = 1,625.28/x
  3. Step 3: Cross multiply
    4,222.16x = 6,334.28 × 1,625.28
  4. Step 4: Simplify right side
    4,222.16x = 10,294,978.60
  5. Step 5: Solve for x
    x = 10,294,978.60/4,222.16
  6. Step 6: Final answer
    x = 2,438.32

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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.