Home / 8,656.55-12,986.58-2,734.37

Finding the Fourth Proportional to 8,656.55, 12,986.58 and 2,734.37

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Solution

The fourth proportional to 8,656.55, 12,986.58 and 2,734.37 is: 4,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.55 : 12,986.58 = 2,734.37 : x
  2. Step 2: Convert to fraction form
    8,656.55/12,986.58 = 2,734.37/x
  3. Step 3: Cross multiply
    8,656.55x = 12,986.58 × 2,734.37
  4. Step 4: Simplify right side
    8,656.55x = 35,510,114.75
  5. Step 5: Solve for x
    x = 35,510,114.75/8,656.55
  6. Step 6: Final answer
    x = 4,102.11

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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.