Home / 8,080.34-12,122.62-2,533.86

Finding the Fourth Proportional to 8,080.34, 12,122.62 and 2,533.86

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Solution

The fourth proportional to 8,080.34, 12,122.62 and 2,533.86 is: 3,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.34 : 12,122.62 = 2,533.86 : x
  2. Step 2: Convert to fraction form
    8,080.34/12,122.62 = 2,533.86/x
  3. Step 3: Cross multiply
    8,080.34x = 12,122.62 × 2,533.86
  4. Step 4: Simplify right side
    8,080.34x = 30,717,021.91
  5. Step 5: Solve for x
    x = 30,717,021.91/8,080.34
  6. Step 6: Final answer
    x = 3,801.45

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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.