Home / 5,775.26-7,969.82-3,122.64

Finding the Fourth Proportional to 5,775.26, 7,969.82 and 3,122.64

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Solution

The fourth proportional to 5,775.26, 7,969.82 and 3,122.64 is: 4,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.26 : 7,969.82 = 3,122.64 : x
  2. Step 2: Convert to fraction form
    5,775.26/7,969.82 = 3,122.64/x
  3. Step 3: Cross multiply
    5,775.26x = 7,969.82 × 3,122.64
  4. Step 4: Simplify right side
    5,775.26x = 24,886,863.11
  5. Step 5: Solve for x
    x = 24,886,863.11/5,775.26
  6. Step 6: Final answer
    x = 4,309.22

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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.