Home / 5,205.32-7,806.54-2,084.84

Finding the Fourth Proportional to 5,205.32, 7,806.54 and 2,084.84

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Solution

The fourth proportional to 5,205.32, 7,806.54 and 2,084.84 is: 3,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.32 : 7,806.54 = 2,084.84 : x
  2. Step 2: Convert to fraction form
    5,205.32/7,806.54 = 2,084.84/x
  3. Step 3: Cross multiply
    5,205.32x = 7,806.54 × 2,084.84
  4. Step 4: Simplify right side
    5,205.32x = 16,275,386.85
  5. Step 5: Solve for x
    x = 16,275,386.85/5,205.32
  6. Step 6: Final answer
    x = 3,126.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.