Home / 6,972.33-9,623.48-3,989.88

Finding the Fourth Proportional to 6,972.33, 9,623.48 and 3,989.88

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Solution

The fourth proportional to 6,972.33, 9,623.48 and 3,989.88 is: 5,506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.33 : 9,623.48 = 3,989.88 : x
  2. Step 2: Convert to fraction form
    6,972.33/9,623.48 = 3,989.88/x
  3. Step 3: Cross multiply
    6,972.33x = 9,623.48 × 3,989.88
  4. Step 4: Simplify right side
    6,972.33x = 38,396,537.50
  5. Step 5: Solve for x
    x = 38,396,537.50/6,972.33
  6. Step 6: Final answer
    x = 5,506.99

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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.