Home / 7,282.76-10,921.35-2,601.89

Finding the Fourth Proportional to 7,282.76, 10,921.35 and 2,601.89

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Solution

The fourth proportional to 7,282.76, 10,921.35 and 2,601.89 is: 3,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.76 : 10,921.35 = 2,601.89 : x
  2. Step 2: Convert to fraction form
    7,282.76/10,921.35 = 2,601.89/x
  3. Step 3: Cross multiply
    7,282.76x = 10,921.35 × 2,601.89
  4. Step 4: Simplify right side
    7,282.76x = 28,416,096.74
  5. Step 5: Solve for x
    x = 28,416,096.74/7,282.76
  6. Step 6: Final answer
    x = 3,901.83

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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.