Home / 8,586.36-12,878.46-2,743.02

Finding the Fourth Proportional to 8,586.36, 12,878.46 and 2,743.02

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Solution

The fourth proportional to 8,586.36, 12,878.46 and 2,743.02 is: 4,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.36 : 12,878.46 = 2,743.02 : x
  2. Step 2: Convert to fraction form
    8,586.36/12,878.46 = 2,743.02/x
  3. Step 3: Cross multiply
    8,586.36x = 12,878.46 × 2,743.02
  4. Step 4: Simplify right side
    8,586.36x = 35,325,873.35
  5. Step 5: Solve for x
    x = 35,325,873.35/8,586.36
  6. Step 6: Final answer
    x = 4,114.18

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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.