Home / 6,781.04-10,172.60-2,884.40

Finding the Fourth Proportional to 6,781.04, 10,172.60 and 2,884.40

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Solution

The fourth proportional to 6,781.04, 10,172.60 and 2,884.40 is: 4,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.04 : 10,172.60 = 2,884.40 : x
  2. Step 2: Convert to fraction form
    6,781.04/10,172.60 = 2,884.40/x
  3. Step 3: Cross multiply
    6,781.04x = 10,172.60 × 2,884.40
  4. Step 4: Simplify right side
    6,781.04x = 29,341,847.44
  5. Step 5: Solve for x
    x = 29,341,847.44/6,781.04
  6. Step 6: Final answer
    x = 4,327.04

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1.5x scale

Why These Related Problems?

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