Home / 4,865.07-6,713.84-2,769.20

Finding the Fourth Proportional to 4,865.07, 6,713.84 and 2,769.20

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Solution

The fourth proportional to 4,865.07, 6,713.84 and 2,769.20 is: 3,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.07 : 6,713.84 = 2,769.20 : x
  2. Step 2: Convert to fraction form
    4,865.07/6,713.84 = 2,769.20/x
  3. Step 3: Cross multiply
    4,865.07x = 6,713.84 × 2,769.20
  4. Step 4: Simplify right side
    4,865.07x = 18,591,918.31
  5. Step 5: Solve for x
    x = 18,591,918.31/4,865.07
  6. Step 6: Final answer
    x = 3,821.51

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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.