Home / 7,305.24-10,081.26-4,161.36

Finding the Fourth Proportional to 7,305.24, 10,081.26 and 4,161.36

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Solution

The fourth proportional to 7,305.24, 10,081.26 and 4,161.36 is: 5,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.24 : 10,081.26 = 4,161.36 : x
  2. Step 2: Convert to fraction form
    7,305.24/10,081.26 = 4,161.36/x
  3. Step 3: Cross multiply
    7,305.24x = 10,081.26 × 4,161.36
  4. Step 4: Simplify right side
    7,305.24x = 41,951,752.11
  5. Step 5: Solve for x
    x = 41,951,752.11/7,305.24
  6. Step 6: Final answer
    x = 5,742.69

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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.