Home / 4,900.28-6,763.56-2,805.68

Finding the Fourth Proportional to 4,900.28, 6,763.56 and 2,805.68

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Solution

The fourth proportional to 4,900.28, 6,763.56 and 2,805.68 is: 3,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.28 : 6,763.56 = 2,805.68 : x
  2. Step 2: Convert to fraction form
    4,900.28/6,763.56 = 2,805.68/x
  3. Step 3: Cross multiply
    4,900.28x = 6,763.56 × 2,805.68
  4. Step 4: Simplify right side
    4,900.28x = 18,976,385.02
  5. Step 5: Solve for x
    x = 18,976,385.02/4,900.28
  6. Step 6: Final answer
    x = 3,872.51

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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.