Home / 5,054.05-6,974.41-2,815.81

Finding the Fourth Proportional to 5,054.05, 6,974.41 and 2,815.81

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Solution

The fourth proportional to 5,054.05, 6,974.41 and 2,815.81 is: 3,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.05 : 6,974.41 = 2,815.81 : x
  2. Step 2: Convert to fraction form
    5,054.05/6,974.41 = 2,815.81/x
  3. Step 3: Cross multiply
    5,054.05x = 6,974.41 × 2,815.81
  4. Step 4: Simplify right side
    5,054.05x = 19,638,615.10
  5. Step 5: Solve for x
    x = 19,638,615.10/5,054.05
  6. Step 6: Final answer
    x = 3,885.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.