Home / 4,155.24-6,235.62-1,964.16

Finding the Fourth Proportional to 4,155.24, 6,235.62 and 1,964.16

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Solution

The fourth proportional to 4,155.24, 6,235.62 and 1,964.16 is: 2,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.24 : 6,235.62 = 1,964.16 : x
  2. Step 2: Convert to fraction form
    4,155.24/6,235.62 = 1,964.16/x
  3. Step 3: Cross multiply
    4,155.24x = 6,235.62 × 1,964.16
  4. Step 4: Simplify right side
    4,155.24x = 12,247,755.38
  5. Step 5: Solve for x
    x = 12,247,755.38/4,155.24
  6. Step 6: Final answer
    x = 2,947.54

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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.