Home / 8,172.99-12,261.60-2,627.12

Finding the Fourth Proportional to 8,172.99, 12,261.60 and 2,627.12

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Solution

The fourth proportional to 8,172.99, 12,261.60 and 2,627.12 is: 3,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.99 : 12,261.60 = 2,627.12 : x
  2. Step 2: Convert to fraction form
    8,172.99/12,261.60 = 2,627.12/x
  3. Step 3: Cross multiply
    8,172.99x = 12,261.60 × 2,627.12
  4. Step 4: Simplify right side
    8,172.99x = 32,212,633.28
  5. Step 5: Solve for x
    x = 32,212,633.28/8,172.99
  6. Step 6: Final answer
    x = 3,941.35

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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.