Home / 4,419.77-6,628.84-1,786.59

Finding the Fourth Proportional to 4,419.77, 6,628.84 and 1,786.59

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Solution

The fourth proportional to 4,419.77, 6,628.84 and 1,786.59 is: 2,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.77 : 6,628.84 = 1,786.59 : x
  2. Step 2: Convert to fraction form
    4,419.77/6,628.84 = 1,786.59/x
  3. Step 3: Cross multiply
    4,419.77x = 6,628.84 × 1,786.59
  4. Step 4: Simplify right side
    4,419.77x = 11,843,014.79
  5. Step 5: Solve for x
    x = 11,843,014.79/4,419.77
  6. Step 6: Final answer
    x = 2,679.55

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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.