Home / 5,529.11-7,629.67-3,290.63

Finding the Fourth Proportional to 5,529.11, 7,629.67 and 3,290.63

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Solution

The fourth proportional to 5,529.11, 7,629.67 and 3,290.63 is: 4,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.11 : 7,629.67 = 3,290.63 : x
  2. Step 2: Convert to fraction form
    5,529.11/7,629.67 = 3,290.63/x
  3. Step 3: Cross multiply
    5,529.11x = 7,629.67 × 3,290.63
  4. Step 4: Simplify right side
    5,529.11x = 25,106,415.57
  5. Step 5: Solve for x
    x = 25,106,415.57/5,529.11
  6. Step 6: Final answer
    x = 4,540.77

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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.