Home / 6,541.53-9,812.55-3,419.43

Finding the Fourth Proportional to 6,541.53, 9,812.55 and 3,419.43

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Solution

The fourth proportional to 6,541.53, 9,812.55 and 3,419.43 is: 5,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.53 : 9,812.55 = 3,419.43 : x
  2. Step 2: Convert to fraction form
    6,541.53/9,812.55 = 3,419.43/x
  3. Step 3: Cross multiply
    6,541.53x = 9,812.55 × 3,419.43
  4. Step 4: Simplify right side
    6,541.53x = 33,553,327.85
  5. Step 5: Solve for x
    x = 33,553,327.85/6,541.53
  6. Step 6: Final answer
    x = 5,129.28

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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.