Home / 9,021.05-13,532.92-2,780.54

Finding the Fourth Proportional to 9,021.05, 13,532.92 and 2,780.54

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Solution

The fourth proportional to 9,021.05, 13,532.92 and 2,780.54 is: 4,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.05 : 13,532.92 = 2,780.54 : x
  2. Step 2: Convert to fraction form
    9,021.05/13,532.92 = 2,780.54/x
  3. Step 3: Cross multiply
    9,021.05x = 13,532.92 × 2,780.54
  4. Step 4: Simplify right side
    9,021.05x = 37,628,825.38
  5. Step 5: Solve for x
    x = 37,628,825.38/9,021.05
  6. Step 6: Final answer
    x = 4,171.22

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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.