Home / 7,329.15-10,114.27-3,971.97

Finding the Fourth Proportional to 7,329.15, 10,114.27 and 3,971.97

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Solution

The fourth proportional to 7,329.15, 10,114.27 and 3,971.97 is: 5,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.15 : 10,114.27 = 3,971.97 : x
  2. Step 2: Convert to fraction form
    7,329.15/10,114.27 = 3,971.97/x
  3. Step 3: Cross multiply
    7,329.15x = 10,114.27 × 3,971.97
  4. Step 4: Simplify right side
    7,329.15x = 40,173,577.01
  5. Step 5: Solve for x
    x = 40,173,577.01/7,329.15
  6. Step 6: Final answer
    x = 5,481.34

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1.5x scale

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.