Home / 4,902.32-6,765.63-2,778.23

Finding the Fourth Proportional to 4,902.32, 6,765.63 and 2,778.23

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Solution

The fourth proportional to 4,902.32, 6,765.63 and 2,778.23 is: 3,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.32 : 6,765.63 = 2,778.23 : x
  2. Step 2: Convert to fraction form
    4,902.32/6,765.63 = 2,778.23/x
  3. Step 3: Cross multiply
    4,902.32x = 6,765.63 × 2,778.23
  4. Step 4: Simplify right side
    4,902.32x = 18,796,476.23
  5. Step 5: Solve for x
    x = 18,796,476.23/4,902.32
  6. Step 6: Final answer
    x = 3,834.20

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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.