Home / 8,122.24-12,186.60-4,225.60

Finding the Fourth Proportional to 8,122.24, 12,186.60 and 4,225.60

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Solution

The fourth proportional to 8,122.24, 12,186.60 and 4,225.60 is: 6,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.24 : 12,186.60 = 4,225.60 : x
  2. Step 2: Convert to fraction form
    8,122.24/12,186.60 = 4,225.60/x
  3. Step 3: Cross multiply
    8,122.24x = 12,186.60 × 4,225.60
  4. Step 4: Simplify right side
    8,122.24x = 51,495,696.96
  5. Step 5: Solve for x
    x = 51,495,696.96/8,122.24
  6. Step 6: Final answer
    x = 6,340.09

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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.