Home / 6,918.02-10,379.10-3,222.44

Finding the Fourth Proportional to 6,918.02, 10,379.10 and 3,222.44

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Solution

The fourth proportional to 6,918.02, 10,379.10 and 3,222.44 is: 4,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.02 : 10,379.10 = 3,222.44 : x
  2. Step 2: Convert to fraction form
    6,918.02/10,379.10 = 3,222.44/x
  3. Step 3: Cross multiply
    6,918.02x = 10,379.10 × 3,222.44
  4. Step 4: Simplify right side
    6,918.02x = 33,446,027.00
  5. Step 5: Solve for x
    x = 33,446,027.00/6,918.02
  6. Step 6: Final answer
    x = 4,834.62

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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.