Home / 4,783.55-6,603.38-2,793.78

Finding the Fourth Proportional to 4,783.55, 6,603.38 and 2,793.78

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Solution

The fourth proportional to 4,783.55, 6,603.38 and 2,793.78 is: 3,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.55 : 6,603.38 = 2,793.78 : x
  2. Step 2: Convert to fraction form
    4,783.55/6,603.38 = 2,793.78/x
  3. Step 3: Cross multiply
    4,783.55x = 6,603.38 × 2,793.78
  4. Step 4: Simplify right side
    4,783.55x = 18,448,377.01
  5. Step 5: Solve for x
    x = 18,448,377.01/4,783.55
  6. Step 6: Final answer
    x = 3,856.63

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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.