Home / 7,721.96-11,582.93-2,175.89

Finding the Fourth Proportional to 7,721.96, 11,582.93 and 2,175.89

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Solution

The fourth proportional to 7,721.96, 11,582.93 and 2,175.89 is: 3,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.96 : 11,582.93 = 2,175.89 : x
  2. Step 2: Convert to fraction form
    7,721.96/11,582.93 = 2,175.89/x
  3. Step 3: Cross multiply
    7,721.96x = 11,582.93 × 2,175.89
  4. Step 4: Simplify right side
    7,721.96x = 25,203,129.08
  5. Step 5: Solve for x
    x = 25,203,129.08/7,721.96
  6. Step 6: Final answer
    x = 3,263.83

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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.