Home / 5,203.25-7,180.46-2,845.40

Finding the Fourth Proportional to 5,203.25, 7,180.46 and 2,845.40

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Solution

The fourth proportional to 5,203.25, 7,180.46 and 2,845.40 is: 3,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.25 : 7,180.46 = 2,845.40 : x
  2. Step 2: Convert to fraction form
    5,203.25/7,180.46 = 2,845.40/x
  3. Step 3: Cross multiply
    5,203.25x = 7,180.46 × 2,845.40
  4. Step 4: Simplify right side
    5,203.25x = 20,431,280.88
  5. Step 5: Solve for x
    x = 20,431,280.88/5,203.25
  6. Step 6: Final answer
    x = 3,926.64

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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.