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Finding the Fourth Proportional to 7,482.64, 11,220.21 and 2,550.55

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Solution

The fourth proportional to 7,482.64, 11,220.21 and 2,550.55 is: 3,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.64 : 11,220.21 = 2,550.55 : x
  2. Step 2: Convert to fraction form
    7,482.64/11,220.21 = 2,550.55/x
  3. Step 3: Cross multiply
    7,482.64x = 11,220.21 × 2,550.55
  4. Step 4: Simplify right side
    7,482.64x = 28,617,706.62
  5. Step 5: Solve for x
    x = 28,617,706.62/7,482.64
  6. Step 6: Final answer
    x = 3,824.55

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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.