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Finding the Fourth Proportional to 5,343.42, 8,015.90 and 1,644.66

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Solution

The fourth proportional to 5,343.42, 8,015.90 and 1,644.66 is: 2,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.42 : 8,015.90 = 1,644.66 : x
  2. Step 2: Convert to fraction form
    5,343.42/8,015.90 = 1,644.66/x
  3. Step 3: Cross multiply
    5,343.42x = 8,015.90 × 1,644.66
  4. Step 4: Simplify right side
    5,343.42x = 13,183,430.09
  5. Step 5: Solve for x
    x = 13,183,430.09/5,343.42
  6. Step 6: Final answer
    x = 2,467.23

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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.