Home / 6,127.85-9,191.92-1,745.34

Finding the Fourth Proportional to 6,127.85, 9,191.92 and 1,745.34

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Solution

The fourth proportional to 6,127.85, 9,191.92 and 1,745.34 is: 2,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.85 : 9,191.92 = 1,745.34 : x
  2. Step 2: Convert to fraction form
    6,127.85/9,191.92 = 1,745.34/x
  3. Step 3: Cross multiply
    6,127.85x = 9,191.92 × 1,745.34
  4. Step 4: Simplify right side
    6,127.85x = 16,043,021.29
  5. Step 5: Solve for x
    x = 16,043,021.29/6,127.85
  6. Step 6: Final answer
    x = 2,618.05

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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.