Home / 4,676.40-7,022.70-2,489.40

Finding the Fourth Proportional to 4,676.40, 7,022.70 and 2,489.40

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Solution

The fourth proportional to 4,676.40, 7,022.70 and 2,489.40 is: 3,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.40 : 7,022.70 = 2,489.40 : x
  2. Step 2: Convert to fraction form
    4,676.40/7,022.70 = 2,489.40/x
  3. Step 3: Cross multiply
    4,676.40x = 7,022.70 × 2,489.40
  4. Step 4: Simplify right side
    4,676.40x = 17,482,309.38
  5. Step 5: Solve for x
    x = 17,482,309.38/4,676.40
  6. Step 6: Final answer
    x = 3,738.41

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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.