Home / 4,125.25-6,190-2,645.26

Finding the Fourth Proportional to 4,125.25, 6,190 and 2,645.26

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Solution

The fourth proportional to 4,125.25, 6,190 and 2,645.26 is: 3,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.25 : 6,190 = 2,645.26 : x
  2. Step 2: Convert to fraction form
    4,125.25/6,190 = 2,645.26/x
  3. Step 3: Cross multiply
    4,125.25x = 6,190 × 2,645.26
  4. Step 4: Simplify right side
    4,125.25x = 16,374,159.40
  5. Step 5: Solve for x
    x = 16,374,159.40/4,125.25
  6. Step 6: Final answer
    x = 3,969.25

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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.