Home / 8,231.34-12,348.30-2,683.40

Finding the Fourth Proportional to 8,231.34, 12,348.30 and 2,683.40

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Solution

The fourth proportional to 8,231.34, 12,348.30 and 2,683.40 is: 4,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.34 : 12,348.30 = 2,683.40 : x
  2. Step 2: Convert to fraction form
    8,231.34/12,348.30 = 2,683.40/x
  3. Step 3: Cross multiply
    8,231.34x = 12,348.30 × 2,683.40
  4. Step 4: Simplify right side
    8,231.34x = 33,135,428.22
  5. Step 5: Solve for x
    x = 33,135,428.22/8,231.34
  6. Step 6: Final answer
    x = 4,025.52

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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.