Home / 6,072.72-8,378.69-3,555.44

Finding the Fourth Proportional to 6,072.72, 8,378.69 and 3,555.44

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Solution

The fourth proportional to 6,072.72, 8,378.69 and 3,555.44 is: 4,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.72 : 8,378.69 = 3,555.44 : x
  2. Step 2: Convert to fraction form
    6,072.72/8,378.69 = 3,555.44/x
  3. Step 3: Cross multiply
    6,072.72x = 8,378.69 × 3,555.44
  4. Step 4: Simplify right side
    6,072.72x = 29,789,929.57
  5. Step 5: Solve for x
    x = 29,789,929.57/6,072.72
  6. Step 6: Final answer
    x = 4,905.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.