Home / 4,945.01-6,824.88-2,820.54

Finding the Fourth Proportional to 4,945.01, 6,824.88 and 2,820.54

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Solution

The fourth proportional to 4,945.01, 6,824.88 and 2,820.54 is: 3,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.01 : 6,824.88 = 2,820.54 : x
  2. Step 2: Convert to fraction form
    4,945.01/6,824.88 = 2,820.54/x
  3. Step 3: Cross multiply
    4,945.01x = 6,824.88 × 2,820.54
  4. Step 4: Simplify right side
    4,945.01x = 19,249,847.04
  5. Step 5: Solve for x
    x = 19,249,847.04/4,945.01
  6. Step 6: Final answer
    x = 3,892.78

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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.