Home / 7,195.20-10,792.80-5,445.60

Finding the Fourth Proportional to 7,195.20, 10,792.80 and 5,445.60

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Solution

The fourth proportional to 7,195.20, 10,792.80 and 5,445.60 is: 8,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.20 : 10,792.80 = 5,445.60 : x
  2. Step 2: Convert to fraction form
    7,195.20/10,792.80 = 5,445.60/x
  3. Step 3: Cross multiply
    7,195.20x = 10,792.80 × 5,445.60
  4. Step 4: Simplify right side
    7,195.20x = 58,773,271.68
  5. Step 5: Solve for x
    x = 58,773,271.68/7,195.20
  6. Step 6: Final answer
    x = 8,168.40

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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.