Home / 6,972.75-9,623.00-3,829.55

Finding the Fourth Proportional to 6,972.75, 9,623.00 and 3,829.55

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Solution

The fourth proportional to 6,972.75, 9,623.00 and 3,829.55 is: 5,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.75 : 9,623.00 = 3,829.55 : x
  2. Step 2: Convert to fraction form
    6,972.75/9,623.00 = 3,829.55/x
  3. Step 3: Cross multiply
    6,972.75x = 9,623.00 × 3,829.55
  4. Step 4: Simplify right side
    6,972.75x = 36,851,721.11
  5. Step 5: Solve for x
    x = 36,851,721.11/6,972.75
  6. Step 6: Final answer
    x = 5,285.11

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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.