Home / 5,187.02-7,780.73-2,265.48

Finding the Fourth Proportional to 5,187.02, 7,780.73 and 2,265.48

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Solution

The fourth proportional to 5,187.02, 7,780.73 and 2,265.48 is: 3,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.02 : 7,780.73 = 2,265.48 : x
  2. Step 2: Convert to fraction form
    5,187.02/7,780.73 = 2,265.48/x
  3. Step 3: Cross multiply
    5,187.02x = 7,780.73 × 2,265.48
  4. Step 4: Simplify right side
    5,187.02x = 17,627,076.87
  5. Step 5: Solve for x
    x = 17,627,076.87/5,187.02
  6. Step 6: Final answer
    x = 3,398.31

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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.