Home / 5,077.89-7,617.97-1,791.01

Finding the Fourth Proportional to 5,077.89, 7,617.97 and 1,791.01

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Solution

The fourth proportional to 5,077.89, 7,617.97 and 1,791.01 is: 2,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.89 : 7,617.97 = 1,791.01 : x
  2. Step 2: Convert to fraction form
    5,077.89/7,617.97 = 1,791.01/x
  3. Step 3: Cross multiply
    5,077.89x = 7,617.97 × 1,791.01
  4. Step 4: Simplify right side
    5,077.89x = 13,643,841.40
  5. Step 5: Solve for x
    x = 13,643,841.40/5,077.89
  6. Step 6: Final answer
    x = 2,686.91

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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.