Home / 8,080.45-12,120.69-2,534.23

Finding the Fourth Proportional to 8,080.45, 12,120.69 and 2,534.23

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Solution

The fourth proportional to 8,080.45, 12,120.69 and 2,534.23 is: 3,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.45 : 12,120.69 = 2,534.23 : x
  2. Step 2: Convert to fraction form
    8,080.45/12,120.69 = 2,534.23/x
  3. Step 3: Cross multiply
    8,080.45x = 12,120.69 × 2,534.23
  4. Step 4: Simplify right side
    8,080.45x = 30,716,616.22
  5. Step 5: Solve for x
    x = 30,716,616.22/8,080.45
  6. Step 6: Final answer
    x = 3,801.35

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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.