Home / 4,917.66-6,786.53-2,679.63

Finding the Fourth Proportional to 4,917.66, 6,786.53 and 2,679.63

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Solution

The fourth proportional to 4,917.66, 6,786.53 and 2,679.63 is: 3,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.66 : 6,786.53 = 2,679.63 : x
  2. Step 2: Convert to fraction form
    4,917.66/6,786.53 = 2,679.63/x
  3. Step 3: Cross multiply
    4,917.66x = 6,786.53 × 2,679.63
  4. Step 4: Simplify right side
    4,917.66x = 18,185,396.08
  5. Step 5: Solve for x
    x = 18,185,396.08/4,917.66
  6. Step 6: Final answer
    x = 3,697.98

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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.