Home / 4,676.45-7,015.37-1,389.13

Finding the Fourth Proportional to 4,676.45, 7,015.37 and 1,389.13

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Solution

The fourth proportional to 4,676.45, 7,015.37 and 1,389.13 is: 2,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.45 : 7,015.37 = 1,389.13 : x
  2. Step 2: Convert to fraction form
    4,676.45/7,015.37 = 1,389.13/x
  3. Step 3: Cross multiply
    4,676.45x = 7,015.37 × 1,389.13
  4. Step 4: Simplify right side
    4,676.45x = 9,745,236.44
  5. Step 5: Solve for x
    x = 9,745,236.44/4,676.45
  6. Step 6: Final answer
    x = 2,083.90

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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.