Home / 7,520.39-11,273.16-3,564.71

Finding the Fourth Proportional to 7,520.39, 11,273.16 and 3,564.71

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Solution

The fourth proportional to 7,520.39, 11,273.16 and 3,564.71 is: 5,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.39 : 11,273.16 = 3,564.71 : x
  2. Step 2: Convert to fraction form
    7,520.39/11,273.16 = 3,564.71/x
  3. Step 3: Cross multiply
    7,520.39x = 11,273.16 × 3,564.71
  4. Step 4: Simplify right side
    7,520.39x = 40,185,525.41
  5. Step 5: Solve for x
    x = 40,185,525.41/7,520.39
  6. Step 6: Final answer
    x = 5,343.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.