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Finding the Fourth Proportional to 5,333.82, 8,001.03 and 1,438.53

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Solution

The fourth proportional to 5,333.82, 8,001.03 and 1,438.53 is: 2,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.82 : 8,001.03 = 1,438.53 : x
  2. Step 2: Convert to fraction form
    5,333.82/8,001.03 = 1,438.53/x
  3. Step 3: Cross multiply
    5,333.82x = 8,001.03 × 1,438.53
  4. Step 4: Simplify right side
    5,333.82x = 11,509,721.69
  5. Step 5: Solve for x
    x = 11,509,721.69/5,333.82
  6. Step 6: Final answer
    x = 2,157.88

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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.