Home / 4,917.87-6,785.45-3,004.69

Finding the Fourth Proportional to 4,917.87, 6,785.45 and 3,004.69

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Solution

The fourth proportional to 4,917.87, 6,785.45 and 3,004.69 is: 4,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.87 : 6,785.45 = 3,004.69 : x
  2. Step 2: Convert to fraction form
    4,917.87/6,785.45 = 3,004.69/x
  3. Step 3: Cross multiply
    4,917.87x = 6,785.45 × 3,004.69
  4. Step 4: Simplify right side
    4,917.87x = 20,388,173.76
  5. Step 5: Solve for x
    x = 20,388,173.76/4,917.87
  6. Step 6: Final answer
    x = 4,145.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.