Home / 6,601.36-9,109.60-3,950.23

Finding the Fourth Proportional to 6,601.36, 9,109.60 and 3,950.23

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Solution

The fourth proportional to 6,601.36, 9,109.60 and 3,950.23 is: 5,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.36 : 9,109.60 = 3,950.23 : x
  2. Step 2: Convert to fraction form
    6,601.36/9,109.60 = 3,950.23/x
  3. Step 3: Cross multiply
    6,601.36x = 9,109.60 × 3,950.23
  4. Step 4: Simplify right side
    6,601.36x = 35,984,969.66
  5. Step 5: Solve for x
    x = 35,984,969.66/6,601.36
  6. Step 6: Final answer
    x = 5,451.15

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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.