Home / 8,350.26-12,526.56-3,420.60

Finding the Fourth Proportional to 8,350.26, 12,526.56 and 3,420.60

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Solution

The fourth proportional to 8,350.26, 12,526.56 and 3,420.60 is: 5,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.26 : 12,526.56 = 3,420.60 : x
  2. Step 2: Convert to fraction form
    8,350.26/12,526.56 = 3,420.60/x
  3. Step 3: Cross multiply
    8,350.26x = 12,526.56 × 3,420.60
  4. Step 4: Simplify right side
    8,350.26x = 42,848,351.14
  5. Step 5: Solve for x
    x = 42,848,351.14/8,350.26
  6. Step 6: Final answer
    x = 5,131.38

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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.