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Finding the Fourth Proportional to 7,228.19, 10,843.01 and 1,963.28

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Solution

The fourth proportional to 7,228.19, 10,843.01 and 1,963.28 is: 2,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.19 : 10,843.01 = 1,963.28 : x
  2. Step 2: Convert to fraction form
    7,228.19/10,843.01 = 1,963.28/x
  3. Step 3: Cross multiply
    7,228.19x = 10,843.01 × 1,963.28
  4. Step 4: Simplify right side
    7,228.19x = 21,287,864.67
  5. Step 5: Solve for x
    x = 21,287,864.67/7,228.19
  6. Step 6: Final answer
    x = 2,945.12

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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.