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Finding the Fourth Proportional to 5,266.33, 7,883.07 and 4,479.01

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Solution

The fourth proportional to 5,266.33, 7,883.07 and 4,479.01 is: 6,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.33 : 7,883.07 = 4,479.01 : x
  2. Step 2: Convert to fraction form
    5,266.33/7,883.07 = 4,479.01/x
  3. Step 3: Cross multiply
    5,266.33x = 7,883.07 × 4,479.01
  4. Step 4: Simplify right side
    5,266.33x = 35,308,349.36
  5. Step 5: Solve for x
    x = 35,308,349.36/5,266.33
  6. Step 6: Final answer
    x = 6,704.55

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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.