Home / 4,906.80-6,769.70-2,782.04

Finding the Fourth Proportional to 4,906.80, 6,769.70 and 2,782.04

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Solution

The fourth proportional to 4,906.80, 6,769.70 and 2,782.04 is: 3,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.80 : 6,769.70 = 2,782.04 : x
  2. Step 2: Convert to fraction form
    4,906.80/6,769.70 = 2,782.04/x
  3. Step 3: Cross multiply
    4,906.80x = 6,769.70 × 2,782.04
  4. Step 4: Simplify right side
    4,906.80x = 18,833,576.19
  5. Step 5: Solve for x
    x = 18,833,576.19/4,906.80
  6. Step 6: Final answer
    x = 3,838.26

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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.