Home / 7,162.29-10,740.81-2,481.09

Finding the Fourth Proportional to 7,162.29, 10,740.81 and 2,481.09

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Solution

The fourth proportional to 7,162.29, 10,740.81 and 2,481.09 is: 3,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.29 : 10,740.81 = 2,481.09 : x
  2. Step 2: Convert to fraction form
    7,162.29/10,740.81 = 2,481.09/x
  3. Step 3: Cross multiply
    7,162.29x = 10,740.81 × 2,481.09
  4. Step 4: Simplify right side
    7,162.29x = 26,648,916.28
  5. Step 5: Solve for x
    x = 26,648,916.28/7,162.29
  6. Step 6: Final answer
    x = 3,720.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.