Home / 6,972.75-9,622.40-3,829.14

Finding the Fourth Proportional to 6,972.75, 9,622.40 and 3,829.14

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Solution

The fourth proportional to 6,972.75, 9,622.40 and 3,829.14 is: 5,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.75 : 9,622.40 = 3,829.14 : x
  2. Step 2: Convert to fraction form
    6,972.75/9,622.40 = 3,829.14/x
  3. Step 3: Cross multiply
    6,972.75x = 9,622.40 × 3,829.14
  4. Step 4: Simplify right side
    6,972.75x = 36,845,497.59
  5. Step 5: Solve for x
    x = 36,845,497.59/6,972.75
  6. Step 6: Final answer
    x = 5,284.21

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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.