Home / 4,621.56-6,932.93-2,122.14

Finding the Fourth Proportional to 4,621.56, 6,932.93 and 2,122.14

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Solution

The fourth proportional to 4,621.56, 6,932.93 and 2,122.14 is: 3,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.56 : 6,932.93 = 2,122.14 : x
  2. Step 2: Convert to fraction form
    4,621.56/6,932.93 = 2,122.14/x
  3. Step 3: Cross multiply
    4,621.56x = 6,932.93 × 2,122.14
  4. Step 4: Simplify right side
    4,621.56x = 14,712,648.07
  5. Step 5: Solve for x
    x = 14,712,648.07/4,621.56
  6. Step 6: Final answer
    x = 3,183.48

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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.