Home / 6,286.62-9,421.94-3,509.28

Finding the Fourth Proportional to 6,286.62, 9,421.94 and 3,509.28

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Solution

The fourth proportional to 6,286.62, 9,421.94 and 3,509.28 is: 5,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.62 : 9,421.94 = 3,509.28 : x
  2. Step 2: Convert to fraction form
    6,286.62/9,421.94 = 3,509.28/x
  3. Step 3: Cross multiply
    6,286.62x = 9,421.94 × 3,509.28
  4. Step 4: Simplify right side
    6,286.62x = 33,064,225.60
  5. Step 5: Solve for x
    x = 33,064,225.60/6,286.62
  6. Step 6: Final answer
    x = 5,259.46

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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.