Home / 4,984.24-6,872.16-3,118

Finding the Fourth Proportional to 4,984.24, 6,872.16 and 3,118

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Solution

The fourth proportional to 4,984.24, 6,872.16 and 3,118 is: 4,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.24 : 6,872.16 = 3,118 : x
  2. Step 2: Convert to fraction form
    4,984.24/6,872.16 = 3,118/x
  3. Step 3: Cross multiply
    4,984.24x = 6,872.16 × 3,118
  4. Step 4: Simplify right side
    4,984.24x = 21,427,394.88
  5. Step 5: Solve for x
    x = 21,427,394.88/4,984.24
  6. Step 6: Final answer
    x = 4,299.03

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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.