Home / 8,544.12-12,815.48-2,700.78

Finding the Fourth Proportional to 8,544.12, 12,815.48 and 2,700.78

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Solution

The fourth proportional to 8,544.12, 12,815.48 and 2,700.78 is: 4,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.12 : 12,815.48 = 2,700.78 : x
  2. Step 2: Convert to fraction form
    8,544.12/12,815.48 = 2,700.78/x
  3. Step 3: Cross multiply
    8,544.12x = 12,815.48 × 2,700.78
  4. Step 4: Simplify right side
    8,544.12x = 34,611,792.07
  5. Step 5: Solve for x
    x = 34,611,792.07/8,544.12
  6. Step 6: Final answer
    x = 4,050.95

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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.