Home / 8,370.30-12,562.74-3,443.49

Finding the Fourth Proportional to 8,370.30, 12,562.74 and 3,443.49

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Solution

The fourth proportional to 8,370.30, 12,562.74 and 3,443.49 is: 5,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.30 : 12,562.74 = 3,443.49 : x
  2. Step 2: Convert to fraction form
    8,370.30/12,562.74 = 3,443.49/x
  3. Step 3: Cross multiply
    8,370.30x = 12,562.74 × 3,443.49
  4. Step 4: Simplify right side
    8,370.30x = 43,259,669.56
  5. Step 5: Solve for x
    x = 43,259,669.56/8,370.30
  6. Step 6: Final answer
    x = 5,168.23

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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.