Home / 6,122.16-9,182.40-3,162.48

Finding the Fourth Proportional to 6,122.16, 9,182.40 and 3,162.48

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Solution

The fourth proportional to 6,122.16, 9,182.40 and 3,162.48 is: 4,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.16 : 9,182.40 = 3,162.48 : x
  2. Step 2: Convert to fraction form
    6,122.16/9,182.40 = 3,162.48/x
  3. Step 3: Cross multiply
    6,122.16x = 9,182.40 × 3,162.48
  4. Step 4: Simplify right side
    6,122.16x = 29,039,156.35
  5. Step 5: Solve for x
    x = 29,039,156.35/6,122.16
  6. Step 6: Final answer
    x = 4,743.29

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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.