Home / 4,135.80-6,195.60-2,487.45

Finding the Fourth Proportional to 4,135.80, 6,195.60 and 2,487.45

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Solution

The fourth proportional to 4,135.80, 6,195.60 and 2,487.45 is: 3,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.80 : 6,195.60 = 2,487.45 : x
  2. Step 2: Convert to fraction form
    4,135.80/6,195.60 = 2,487.45/x
  3. Step 3: Cross multiply
    4,135.80x = 6,195.60 × 2,487.45
  4. Step 4: Simplify right side
    4,135.80x = 15,411,245.22
  5. Step 5: Solve for x
    x = 15,411,245.22/4,135.80
  6. Step 6: Final answer
    x = 3,726.30

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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.