Home / 9,201.28-13,802.36-2,628.42

Finding the Fourth Proportional to 9,201.28, 13,802.36 and 2,628.42

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Solution

The fourth proportional to 9,201.28, 13,802.36 and 2,628.42 is: 3,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.28 : 13,802.36 = 2,628.42 : x
  2. Step 2: Convert to fraction form
    9,201.28/13,802.36 = 2,628.42/x
  3. Step 3: Cross multiply
    9,201.28x = 13,802.36 × 2,628.42
  4. Step 4: Simplify right side
    9,201.28x = 36,278,399.07
  5. Step 5: Solve for x
    x = 36,278,399.07/9,201.28
  6. Step 6: Final answer
    x = 3,942.76

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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.