Home / 6,972.71-9,622.33-3,828.89

Finding the Fourth Proportional to 6,972.71, 9,622.33 and 3,828.89

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Solution

The fourth proportional to 6,972.71, 9,622.33 and 3,828.89 is: 5,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.71 : 9,622.33 = 3,828.89 : x
  2. Step 2: Convert to fraction form
    6,972.71/9,622.33 = 3,828.89/x
  3. Step 3: Cross multiply
    6,972.71x = 9,622.33 × 3,828.89
  4. Step 4: Simplify right side
    6,972.71x = 36,842,871.96
  5. Step 5: Solve for x
    x = 36,842,871.96/6,972.71
  6. Step 6: Final answer
    x = 5,283.87

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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.