Home / 6,128.10-9,192.24-1,745.66

Finding the Fourth Proportional to 6,128.10, 9,192.24 and 1,745.66

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Solution

The fourth proportional to 6,128.10, 9,192.24 and 1,745.66 is: 2,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.10 : 9,192.24 = 1,745.66 : x
  2. Step 2: Convert to fraction form
    6,128.10/9,192.24 = 1,745.66/x
  3. Step 3: Cross multiply
    6,128.10x = 9,192.24 × 1,745.66
  4. Step 4: Simplify right side
    6,128.10x = 16,046,548.66
  5. Step 5: Solve for x
    x = 16,046,548.66/6,128.10
  6. Step 6: Final answer
    x = 2,618.52

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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.