Home / 6,872.21-10,302.53-4,786.05

Finding the Fourth Proportional to 6,872.21, 10,302.53 and 4,786.05

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Solution

The fourth proportional to 6,872.21, 10,302.53 and 4,786.05 is: 7,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.21 : 10,302.53 = 4,786.05 : x
  2. Step 2: Convert to fraction form
    6,872.21/10,302.53 = 4,786.05/x
  3. Step 3: Cross multiply
    6,872.21x = 10,302.53 × 4,786.05
  4. Step 4: Simplify right side
    6,872.21x = 49,308,435.67
  5. Step 5: Solve for x
    x = 49,308,435.67/6,872.21
  6. Step 6: Final answer
    x = 7,175.05

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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.