Home / 4,785.42-7,174.81-2,440.87

Finding the Fourth Proportional to 4,785.42, 7,174.81 and 2,440.87

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Solution

The fourth proportional to 4,785.42, 7,174.81 and 2,440.87 is: 3,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.42 : 7,174.81 = 2,440.87 : x
  2. Step 2: Convert to fraction form
    4,785.42/7,174.81 = 2,440.87/x
  3. Step 3: Cross multiply
    4,785.42x = 7,174.81 × 2,440.87
  4. Step 4: Simplify right side
    4,785.42x = 17,512,778.48
  5. Step 5: Solve for x
    x = 17,512,778.48/4,785.42
  6. Step 6: Final answer
    x = 3,659.61

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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.