Home / 4,622.07-6,928.42-1,991.29

Finding the Fourth Proportional to 4,622.07, 6,928.42 and 1,991.29

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Solution

The fourth proportional to 4,622.07, 6,928.42 and 1,991.29 is: 2,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.07 : 6,928.42 = 1,991.29 : x
  2. Step 2: Convert to fraction form
    4,622.07/6,928.42 = 1,991.29/x
  3. Step 3: Cross multiply
    4,622.07x = 6,928.42 × 1,991.29
  4. Step 4: Simplify right side
    4,622.07x = 13,796,493.46
  5. Step 5: Solve for x
    x = 13,796,493.46/4,622.07
  6. Step 6: Final answer
    x = 2,984.92

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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.