Home / 5,269.48-7,893.60-2,629

Finding the Fourth Proportional to 5,269.48, 7,893.60 and 2,629

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Solution

The fourth proportional to 5,269.48, 7,893.60 and 2,629 is: 3,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.48 : 7,893.60 = 2,629 : x
  2. Step 2: Convert to fraction form
    5,269.48/7,893.60 = 2,629/x
  3. Step 3: Cross multiply
    5,269.48x = 7,893.60 × 2,629
  4. Step 4: Simplify right side
    5,269.48x = 20,752,274.40
  5. Step 5: Solve for x
    x = 20,752,274.40/5,269.48
  6. Step 6: Final answer
    x = 3,938.20

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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.