Home / 6,155.10-9,240.84-3,391.56

Finding the Fourth Proportional to 6,155.10, 9,240.84 and 3,391.56

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Solution

The fourth proportional to 6,155.10, 9,240.84 and 3,391.56 is: 5,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.10 : 9,240.84 = 3,391.56 : x
  2. Step 2: Convert to fraction form
    6,155.10/9,240.84 = 3,391.56/x
  3. Step 3: Cross multiply
    6,155.10x = 9,240.84 × 3,391.56
  4. Step 4: Simplify right side
    6,155.10x = 31,340,863.31
  5. Step 5: Solve for x
    x = 31,340,863.31/6,155.10
  6. Step 6: Final answer
    x = 5,091.85

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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.