Home / 8,080.32-12,120.48-2,236.98

Finding the Fourth Proportional to 8,080.32, 12,120.48 and 2,236.98

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Solution

The fourth proportional to 8,080.32, 12,120.48 and 2,236.98 is: 3,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.32 : 12,120.48 = 2,236.98 : x
  2. Step 2: Convert to fraction form
    8,080.32/12,120.48 = 2,236.98/x
  3. Step 3: Cross multiply
    8,080.32x = 12,120.48 × 2,236.98
  4. Step 4: Simplify right side
    8,080.32x = 27,113,271.35
  5. Step 5: Solve for x
    x = 27,113,271.35/8,080.32
  6. Step 6: Final answer
    x = 3,355.47

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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.