Home / 6,973.26-9,623.78-3,989.53

Finding the Fourth Proportional to 6,973.26, 9,623.78 and 3,989.53

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Solution

The fourth proportional to 6,973.26, 9,623.78 and 3,989.53 is: 5,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.26 : 9,623.78 = 3,989.53 : x
  2. Step 2: Convert to fraction form
    6,973.26/9,623.78 = 3,989.53/x
  3. Step 3: Cross multiply
    6,973.26x = 9,623.78 × 3,989.53
  4. Step 4: Simplify right side
    6,973.26x = 38,394,359.02
  5. Step 5: Solve for x
    x = 38,394,359.02/6,973.26
  6. Step 6: Final answer
    x = 5,505.94

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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.