Home / 4,917.30-6,785.81-2,679.27

Finding the Fourth Proportional to 4,917.30, 6,785.81 and 2,679.27

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Solution

The fourth proportional to 4,917.30, 6,785.81 and 2,679.27 is: 3,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.30 : 6,785.81 = 2,679.27 : x
  2. Step 2: Convert to fraction form
    4,917.30/6,785.81 = 2,679.27/x
  3. Step 3: Cross multiply
    4,917.30x = 6,785.81 × 2,679.27
  4. Step 4: Simplify right side
    4,917.30x = 18,180,969.83
  5. Step 5: Solve for x
    x = 18,180,969.83/4,917.30
  6. Step 6: Final answer
    x = 3,697.35

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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.