Home / 8,080.23-12,121.72-4,133.21

Finding the Fourth Proportional to 8,080.23, 12,121.72 and 4,133.21

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Solution

The fourth proportional to 8,080.23, 12,121.72 and 4,133.21 is: 6,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.23 : 12,121.72 = 4,133.21 : x
  2. Step 2: Convert to fraction form
    8,080.23/12,121.72 = 4,133.21/x
  3. Step 3: Cross multiply
    8,080.23x = 12,121.72 × 4,133.21
  4. Step 4: Simplify right side
    8,080.23x = 50,101,543.38
  5. Step 5: Solve for x
    x = 50,101,543.38/8,080.23
  6. Step 6: Final answer
    x = 6,200.51

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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.