Home / 4,644.81-6,966.90-2,181.42

Finding the Fourth Proportional to 4,644.81, 6,966.90 and 2,181.42

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Solution

The fourth proportional to 4,644.81, 6,966.90 and 2,181.42 is: 3,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.81 : 6,966.90 = 2,181.42 : x
  2. Step 2: Convert to fraction form
    4,644.81/6,966.90 = 2,181.42/x
  3. Step 3: Cross multiply
    4,644.81x = 6,966.90 × 2,181.42
  4. Step 4: Simplify right side
    4,644.81x = 15,197,735.00
  5. Step 5: Solve for x
    x = 15,197,735.00/4,644.81
  6. Step 6: Final answer
    x = 3,271.98

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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.