Home / 5,629.09-7,769.10-3,272.59

Finding the Fourth Proportional to 5,629.09, 7,769.10 and 3,272.59

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Solution

The fourth proportional to 5,629.09, 7,769.10 and 3,272.59 is: 4,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.09 : 7,769.10 = 3,272.59 : x
  2. Step 2: Convert to fraction form
    5,629.09/7,769.10 = 3,272.59/x
  3. Step 3: Cross multiply
    5,629.09x = 7,769.10 × 3,272.59
  4. Step 4: Simplify right side
    5,629.09x = 25,425,106.57
  5. Step 5: Solve for x
    x = 25,425,106.57/5,629.09
  6. Step 6: Final answer
    x = 4,516.74

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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.