Home / 5,101.05-7,038.25-2,975.31

Finding the Fourth Proportional to 5,101.05, 7,038.25 and 2,975.31

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Solution

The fourth proportional to 5,101.05, 7,038.25 and 2,975.31 is: 4,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.05 : 7,038.25 = 2,975.31 : x
  2. Step 2: Convert to fraction form
    5,101.05/7,038.25 = 2,975.31/x
  3. Step 3: Cross multiply
    5,101.05x = 7,038.25 × 2,975.31
  4. Step 4: Simplify right side
    5,101.05x = 20,940,975.61
  5. Step 5: Solve for x
    x = 20,940,975.61/5,101.05
  6. Step 6: Final answer
    x = 4,105.23

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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.