Home / 6,821.03-10,239.74-4,623.09

Finding the Fourth Proportional to 6,821.03, 10,239.74 and 4,623.09

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Solution

The fourth proportional to 6,821.03, 10,239.74 and 4,623.09 is: 6,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.03 : 10,239.74 = 4,623.09 : x
  2. Step 2: Convert to fraction form
    6,821.03/10,239.74 = 4,623.09/x
  3. Step 3: Cross multiply
    6,821.03x = 10,239.74 × 4,623.09
  4. Step 4: Simplify right side
    6,821.03x = 47,339,239.60
  5. Step 5: Solve for x
    x = 47,339,239.60/6,821.03
  6. Step 6: Final answer
    x = 6,940.19

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1.5x scale

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.