Home / 4,626.42-6,939.96-3,145.02

Finding the Fourth Proportional to 4,626.42, 6,939.96 and 3,145.02

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Solution

The fourth proportional to 4,626.42, 6,939.96 and 3,145.02 is: 4,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.42 : 6,939.96 = 3,145.02 : x
  2. Step 2: Convert to fraction form
    4,626.42/6,939.96 = 3,145.02/x
  3. Step 3: Cross multiply
    4,626.42x = 6,939.96 × 3,145.02
  4. Step 4: Simplify right side
    4,626.42x = 21,826,313.00
  5. Step 5: Solve for x
    x = 21,826,313.00/4,626.42
  6. Step 6: Final answer
    x = 4,717.75

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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.