Home / 5,054.03-6,974.45-2,815.90

Finding the Fourth Proportional to 5,054.03, 6,974.45 and 2,815.90

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Solution

The fourth proportional to 5,054.03, 6,974.45 and 2,815.90 is: 3,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.03 : 6,974.45 = 2,815.90 : x
  2. Step 2: Convert to fraction form
    5,054.03/6,974.45 = 2,815.90/x
  3. Step 3: Cross multiply
    5,054.03x = 6,974.45 × 2,815.90
  4. Step 4: Simplify right side
    5,054.03x = 19,639,353.76
  5. Step 5: Solve for x
    x = 19,639,353.76/5,054.03
  6. Step 6: Final answer
    x = 3,885.88

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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.