Home / 8,283.36-12,427.20-2,440.20

Finding the Fourth Proportional to 8,283.36, 12,427.20 and 2,440.20

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Solution

The fourth proportional to 8,283.36, 12,427.20 and 2,440.20 is: 3,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.36 : 12,427.20 = 2,440.20 : x
  2. Step 2: Convert to fraction form
    8,283.36/12,427.20 = 2,440.20/x
  3. Step 3: Cross multiply
    8,283.36x = 12,427.20 × 2,440.20
  4. Step 4: Simplify right side
    8,283.36x = 30,324,853.44
  5. Step 5: Solve for x
    x = 30,324,853.44/8,283.36
  6. Step 6: Final answer
    x = 3,660.94

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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.