Home / 7,727.74-11,590.32-2,179.81

Finding the Fourth Proportional to 7,727.74, 11,590.32 and 2,179.81

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Solution

The fourth proportional to 7,727.74, 11,590.32 and 2,179.81 is: 3,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.74 : 11,590.32 = 2,179.81 : x
  2. Step 2: Convert to fraction form
    7,727.74/11,590.32 = 2,179.81/x
  3. Step 3: Cross multiply
    7,727.74x = 11,590.32 × 2,179.81
  4. Step 4: Simplify right side
    7,727.74x = 25,264,718.10
  5. Step 5: Solve for x
    x = 25,264,718.10/7,727.74
  6. Step 6: Final answer
    x = 3,269.36

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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.