Home / 5,131.16-7,077.62-3,537.87

Finding the Fourth Proportional to 5,131.16, 7,077.62 and 3,537.87

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Solution

The fourth proportional to 5,131.16, 7,077.62 and 3,537.87 is: 4,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.16 : 7,077.62 = 3,537.87 : x
  2. Step 2: Convert to fraction form
    5,131.16/7,077.62 = 3,537.87/x
  3. Step 3: Cross multiply
    5,131.16x = 7,077.62 × 3,537.87
  4. Step 4: Simplify right side
    5,131.16x = 25,039,699.47
  5. Step 5: Solve for x
    x = 25,039,699.47/5,131.16
  6. Step 6: Final answer
    x = 4,879.93

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Why These Related Problems?

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