Home / 6,972.84-9,622.08-3,828.36

Finding the Fourth Proportional to 6,972.84, 9,622.08 and 3,828.36

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Solution

The fourth proportional to 6,972.84, 9,622.08 and 3,828.36 is: 5,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.84 : 9,622.08 = 3,828.36 : x
  2. Step 2: Convert to fraction form
    6,972.84/9,622.08 = 3,828.36/x
  3. Step 3: Cross multiply
    6,972.84x = 9,622.08 × 3,828.36
  4. Step 4: Simplify right side
    6,972.84x = 36,836,786.19
  5. Step 5: Solve for x
    x = 36,836,786.19/6,972.84
  6. Step 6: Final answer
    x = 5,282.90

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1.5x scale

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.