Home / 5,045.11-6,961.45-2,806.98

Finding the Fourth Proportional to 5,045.11, 6,961.45 and 2,806.98

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Solution

The fourth proportional to 5,045.11, 6,961.45 and 2,806.98 is: 3,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.11 : 6,961.45 = 2,806.98 : x
  2. Step 2: Convert to fraction form
    5,045.11/6,961.45 = 2,806.98/x
  3. Step 3: Cross multiply
    5,045.11x = 6,961.45 × 2,806.98
  4. Step 4: Simplify right side
    5,045.11x = 19,540,626.50
  5. Step 5: Solve for x
    x = 19,540,626.50/5,045.11
  6. Step 6: Final answer
    x = 3,873.18

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