Home / 7,747.73-11,621.38-2,817.46

Finding the Fourth Proportional to 7,747.73, 11,621.38 and 2,817.46

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Solution

The fourth proportional to 7,747.73, 11,621.38 and 2,817.46 is: 4,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.73 : 11,621.38 = 2,817.46 : x
  2. Step 2: Convert to fraction form
    7,747.73/11,621.38 = 2,817.46/x
  3. Step 3: Cross multiply
    7,747.73x = 11,621.38 × 2,817.46
  4. Step 4: Simplify right side
    7,747.73x = 32,742,715.19
  5. Step 5: Solve for x
    x = 32,742,715.19/7,747.73
  6. Step 6: Final answer
    x = 4,226.11

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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.