Home / 8,254.08-12,378.06-3,322.05

Finding the Fourth Proportional to 8,254.08, 12,378.06 and 3,322.05

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Solution

The fourth proportional to 8,254.08, 12,378.06 and 3,322.05 is: 4,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.08 : 12,378.06 = 3,322.05 : x
  2. Step 2: Convert to fraction form
    8,254.08/12,378.06 = 3,322.05/x
  3. Step 3: Cross multiply
    8,254.08x = 12,378.06 × 3,322.05
  4. Step 4: Simplify right side
    8,254.08x = 41,120,534.22
  5. Step 5: Solve for x
    x = 41,120,534.22/8,254.08
  6. Step 6: Final answer
    x = 4,981.84

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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.