Home / 5,127.90-7,076.51-2,770.04

Finding the Fourth Proportional to 5,127.90, 7,076.51 and 2,770.04

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Solution

The fourth proportional to 5,127.90, 7,076.51 and 2,770.04 is: 3,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.90 : 7,076.51 = 2,770.04 : x
  2. Step 2: Convert to fraction form
    5,127.90/7,076.51 = 2,770.04/x
  3. Step 3: Cross multiply
    5,127.90x = 7,076.51 × 2,770.04
  4. Step 4: Simplify right side
    5,127.90x = 19,602,201.91
  5. Step 5: Solve for x
    x = 19,602,201.91/5,127.90
  6. Step 6: Final answer
    x = 3,822.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.