Home / 4,755.78-6,563.30-2,766.20

Finding the Fourth Proportional to 4,755.78, 6,563.30 and 2,766.20

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Solution

The fourth proportional to 4,755.78, 6,563.30 and 2,766.20 is: 3,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.78 : 6,563.30 = 2,766.20 : x
  2. Step 2: Convert to fraction form
    4,755.78/6,563.30 = 2,766.20/x
  3. Step 3: Cross multiply
    4,755.78x = 6,563.30 × 2,766.20
  4. Step 4: Simplify right side
    4,755.78x = 18,155,353.81
  5. Step 5: Solve for x
    x = 18,155,353.81/4,755.78
  6. Step 6: Final answer
    x = 3,817.53

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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.