Home / 5,307.37-7,322.03-3,207.85

Finding the Fourth Proportional to 5,307.37, 7,322.03 and 3,207.85

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Solution

The fourth proportional to 5,307.37, 7,322.03 and 3,207.85 is: 4,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.37 : 7,322.03 = 3,207.85 : x
  2. Step 2: Convert to fraction form
    5,307.37/7,322.03 = 3,207.85/x
  3. Step 3: Cross multiply
    5,307.37x = 7,322.03 × 3,207.85
  4. Step 4: Simplify right side
    5,307.37x = 23,487,951.62
  5. Step 5: Solve for x
    x = 23,487,951.62/5,307.37
  6. Step 6: Final answer
    x = 4,425.54

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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.