Home / 4,917.59-6,786.20-2,679.51

Finding the Fourth Proportional to 4,917.59, 6,786.20 and 2,679.51

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Solution

The fourth proportional to 4,917.59, 6,786.20 and 2,679.51 is: 3,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.59 : 6,786.20 = 2,679.51 : x
  2. Step 2: Convert to fraction form
    4,917.59/6,786.20 = 2,679.51/x
  3. Step 3: Cross multiply
    4,917.59x = 6,786.20 × 2,679.51
  4. Step 4: Simplify right side
    4,917.59x = 18,183,677.36
  5. Step 5: Solve for x
    x = 18,183,677.36/4,917.59
  6. Step 6: Final answer
    x = 3,697.68

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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.