Home / 5,137.74-7,090.20-3,013.88

Finding the Fourth Proportional to 5,137.74, 7,090.20 and 3,013.88

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Solution

The fourth proportional to 5,137.74, 7,090.20 and 3,013.88 is: 4,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.74 : 7,090.20 = 3,013.88 : x
  2. Step 2: Convert to fraction form
    5,137.74/7,090.20 = 3,013.88/x
  3. Step 3: Cross multiply
    5,137.74x = 7,090.20 × 3,013.88
  4. Step 4: Simplify right side
    5,137.74x = 21,368,976.53
  5. Step 5: Solve for x
    x = 21,368,976.53/5,137.74
  6. Step 6: Final answer
    x = 4,159.22

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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.