Home / 8,494.27-12,720.44-4,328.34

Finding the Fourth Proportional to 8,494.27, 12,720.44 and 4,328.34

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Solution

The fourth proportional to 8,494.27, 12,720.44 and 4,328.34 is: 6,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.27 : 12,720.44 = 4,328.34 : x
  2. Step 2: Convert to fraction form
    8,494.27/12,720.44 = 4,328.34/x
  3. Step 3: Cross multiply
    8,494.27x = 12,720.44 × 4,328.34
  4. Step 4: Simplify right side
    8,494.27x = 55,058,352.39
  5. Step 5: Solve for x
    x = 55,058,352.39/8,494.27
  6. Step 6: Final answer
    x = 6,481.82

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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.