Home / 6,601.79-9,110.64-3,950.71

Finding the Fourth Proportional to 6,601.79, 9,110.64 and 3,950.71

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Solution

The fourth proportional to 6,601.79, 9,110.64 and 3,950.71 is: 5,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.79 : 9,110.64 = 3,950.71 : x
  2. Step 2: Convert to fraction form
    6,601.79/9,110.64 = 3,950.71/x
  3. Step 3: Cross multiply
    6,601.79x = 9,110.64 × 3,950.71
  4. Step 4: Simplify right side
    6,601.79x = 35,993,496.55
  5. Step 5: Solve for x
    x = 35,993,496.55/6,601.79
  6. Step 6: Final answer
    x = 5,452.08

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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.