Home / 5,425.26-8,134.25-2,830.02

Finding the Fourth Proportional to 5,425.26, 8,134.25 and 2,830.02

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Solution

The fourth proportional to 5,425.26, 8,134.25 and 2,830.02 is: 4,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.26 : 8,134.25 = 2,830.02 : x
  2. Step 2: Convert to fraction form
    5,425.26/8,134.25 = 2,830.02/x
  3. Step 3: Cross multiply
    5,425.26x = 8,134.25 × 2,830.02
  4. Step 4: Simplify right side
    5,425.26x = 23,020,076.03
  5. Step 5: Solve for x
    x = 23,020,076.03/5,425.26
  6. Step 6: Final answer
    x = 4,243.13

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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.