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Finding the Fourth Proportional to 6,180, 9,270 and 2,076

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Solution

The fourth proportional to 6,180, 9,270 and 2,076 is: 3,114

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180 : 9,270 = 2,076 : x
  2. Step 2: Convert to fraction form
    6,180/9,270 = 2,076/x
  3. Step 3: Cross multiply
    6,180x = 9,270 × 2,076
  4. Step 4: Simplify right side
    6,180x = 19,244,520
  5. Step 5: Solve for x
    x = 19,244,520/6,180
  6. Step 6: Final answer
    x = 3,114

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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.