Home / 7,095.12-9,790.68-3,951

Finding the Fourth Proportional to 7,095.12, 9,790.68 and 3,951

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Solution

The fourth proportional to 7,095.12, 9,790.68 and 3,951 is: 5,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,095.12 : 9,790.68 = 3,951 : x
  2. Step 2: Convert to fraction form
    7,095.12/9,790.68 = 3,951/x
  3. Step 3: Cross multiply
    7,095.12x = 9,790.68 × 3,951
  4. Step 4: Simplify right side
    7,095.12x = 38,682,976.68
  5. Step 5: Solve for x
    x = 38,682,976.68/7,095.12
  6. Step 6: Final answer
    x = 5,452.05

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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.