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Finding the Fourth Proportional to 7,483.28, 11,224.86 and 1,936.14

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Solution

The fourth proportional to 7,483.28, 11,224.86 and 1,936.14 is: 2,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.28 : 11,224.86 = 1,936.14 : x
  2. Step 2: Convert to fraction form
    7,483.28/11,224.86 = 1,936.14/x
  3. Step 3: Cross multiply
    7,483.28x = 11,224.86 × 1,936.14
  4. Step 4: Simplify right side
    7,483.28x = 21,732,900.44
  5. Step 5: Solve for x
    x = 21,732,900.44/7,483.28
  6. Step 6: Final answer
    x = 2,904.20

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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.