Home / 6,120.30-9,184.77-3,162.18

Finding the Fourth Proportional to 6,120.30, 9,184.77 and 3,162.18

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Solution

The fourth proportional to 6,120.30, 9,184.77 and 3,162.18 is: 4,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.30 : 9,184.77 = 3,162.18 : x
  2. Step 2: Convert to fraction form
    6,120.30/9,184.77 = 3,162.18/x
  3. Step 3: Cross multiply
    6,120.30x = 9,184.77 × 3,162.18
  4. Step 4: Simplify right side
    6,120.30x = 29,043,896.00
  5. Step 5: Solve for x
    x = 29,043,896.00/6,120.30
  6. Step 6: Final answer
    x = 4,745.50

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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.