Home / 5,103.23-7,042.02-3,087.39

Finding the Fourth Proportional to 5,103.23, 7,042.02 and 3,087.39

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Solution

The fourth proportional to 5,103.23, 7,042.02 and 3,087.39 is: 4,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.23 : 7,042.02 = 3,087.39 : x
  2. Step 2: Convert to fraction form
    5,103.23/7,042.02 = 3,087.39/x
  3. Step 3: Cross multiply
    5,103.23x = 7,042.02 × 3,087.39
  4. Step 4: Simplify right side
    5,103.23x = 21,741,462.13
  5. Step 5: Solve for x
    x = 21,741,462.13/5,103.23
  6. Step 6: Final answer
    x = 4,260.34

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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.