Home / 4,902.12-6,764.58-2,778.03

Finding the Fourth Proportional to 4,902.12, 6,764.58 and 2,778.03

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Solution

The fourth proportional to 4,902.12, 6,764.58 and 2,778.03 is: 3,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.12 : 6,764.58 = 2,778.03 : x
  2. Step 2: Convert to fraction form
    4,902.12/6,764.58 = 2,778.03/x
  3. Step 3: Cross multiply
    4,902.12x = 6,764.58 × 2,778.03
  4. Step 4: Simplify right side
    4,902.12x = 18,792,206.18
  5. Step 5: Solve for x
    x = 18,792,206.18/4,902.12
  6. Step 6: Final answer
    x = 3,833.49

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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.