Home / 4,912.80-6,788.30-3,926.22

Finding the Fourth Proportional to 4,912.80, 6,788.30 and 3,926.22

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Solution

The fourth proportional to 4,912.80, 6,788.30 and 3,926.22 is: 5,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.80 : 6,788.30 = 3,926.22 : x
  2. Step 2: Convert to fraction form
    4,912.80/6,788.30 = 3,926.22/x
  3. Step 3: Cross multiply
    4,912.80x = 6,788.30 × 3,926.22
  4. Step 4: Simplify right side
    4,912.80x = 26,652,339.59
  5. Step 5: Solve for x
    x = 26,652,339.59/4,912.80
  6. Step 6: Final answer
    x = 5,425.08

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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.