Home / 6,078.53-9,111.20-3,112.90

Finding the Fourth Proportional to 6,078.53, 9,111.20 and 3,112.90

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Solution

The fourth proportional to 6,078.53, 9,111.20 and 3,112.90 is: 4,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.53 : 9,111.20 = 3,112.90 : x
  2. Step 2: Convert to fraction form
    6,078.53/9,111.20 = 3,112.90/x
  3. Step 3: Cross multiply
    6,078.53x = 9,111.20 × 3,112.90
  4. Step 4: Simplify right side
    6,078.53x = 28,362,238.92
  5. Step 5: Solve for x
    x = 28,362,238.92/6,078.53
  6. Step 6: Final answer
    x = 4,665.97

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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.