Home / 9,428.64-14,142.96-3,583.86

Finding the Fourth Proportional to 9,428.64, 14,142.96 and 3,583.86

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Solution

The fourth proportional to 9,428.64, 14,142.96 and 3,583.86 is: 5,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.64 : 14,142.96 = 3,583.86 : x
  2. Step 2: Convert to fraction form
    9,428.64/14,142.96 = 3,583.86/x
  3. Step 3: Cross multiply
    9,428.64x = 14,142.96 × 3,583.86
  4. Step 4: Simplify right side
    9,428.64x = 50,686,388.63
  5. Step 5: Solve for x
    x = 50,686,388.63/9,428.64
  6. Step 6: Final answer
    x = 5,375.79

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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.