Home / 8,137.44-12,199.68-5,541.12

Finding the Fourth Proportional to 8,137.44, 12,199.68 and 5,541.12

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Solution

The fourth proportional to 8,137.44, 12,199.68 and 5,541.12 is: 8,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.44 : 12,199.68 = 5,541.12 : x
  2. Step 2: Convert to fraction form
    8,137.44/12,199.68 = 5,541.12/x
  3. Step 3: Cross multiply
    8,137.44x = 12,199.68 × 5,541.12
  4. Step 4: Simplify right side
    8,137.44x = 67,599,890.84
  5. Step 5: Solve for x
    x = 67,599,890.84/8,137.44
  6. Step 6: Final answer
    x = 8,307.27

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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.