Home / 5,137.98-7,090.26-2,899.92

Finding the Fourth Proportional to 5,137.98, 7,090.26 and 2,899.92

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Solution

The fourth proportional to 5,137.98, 7,090.26 and 2,899.92 is: 4,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.98 : 7,090.26 = 2,899.92 : x
  2. Step 2: Convert to fraction form
    5,137.98/7,090.26 = 2,899.92/x
  3. Step 3: Cross multiply
    5,137.98x = 7,090.26 × 2,899.92
  4. Step 4: Simplify right side
    5,137.98x = 20,561,186.78
  5. Step 5: Solve for x
    x = 20,561,186.78/5,137.98
  6. Step 6: Final answer
    x = 4,001.80

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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.