Home / 5,538.78-8,305.73-2,073.60

Finding the Fourth Proportional to 5,538.78, 8,305.73 and 2,073.60

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Solution

The fourth proportional to 5,538.78, 8,305.73 and 2,073.60 is: 3,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.78 : 8,305.73 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    5,538.78/8,305.73 = 2,073.60/x
  3. Step 3: Cross multiply
    5,538.78x = 8,305.73 × 2,073.60
  4. Step 4: Simplify right side
    5,538.78x = 17,222,720.20
  5. Step 5: Solve for x
    x = 17,222,720.20/5,538.78
  6. Step 6: Final answer
    x = 3,109.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.