Home / 6,921.21-10,385.46-3,028.35

Finding the Fourth Proportional to 6,921.21, 10,385.46 and 3,028.35

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Solution

The fourth proportional to 6,921.21, 10,385.46 and 3,028.35 is: 4,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.21 : 10,385.46 = 3,028.35 : x
  2. Step 2: Convert to fraction form
    6,921.21/10,385.46 = 3,028.35/x
  3. Step 3: Cross multiply
    6,921.21x = 10,385.46 × 3,028.35
  4. Step 4: Simplify right side
    6,921.21x = 31,450,807.79
  5. Step 5: Solve for x
    x = 31,450,807.79/6,921.21
  6. Step 6: Final answer
    x = 4,544.12

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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.