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Finding the Fourth Proportional to 5,883.68, 8,121.02 and 3,644.28

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Solution

The fourth proportional to 5,883.68, 8,121.02 and 3,644.28 is: 5,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,883.68 : 8,121.02 = 3,644.28 : x
  2. Step 2: Convert to fraction form
    5,883.68/8,121.02 = 3,644.28/x
  3. Step 3: Cross multiply
    5,883.68x = 8,121.02 × 3,644.28
  4. Step 4: Simplify right side
    5,883.68x = 29,595,252.54
  5. Step 5: Solve for x
    x = 29,595,252.54/5,883.68
  6. Step 6: Final answer
    x = 5,030.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.