Home / 8,021.02-12,030.99-3,404.02

Finding the Fourth Proportional to 8,021.02, 12,030.99 and 3,404.02

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Solution

The fourth proportional to 8,021.02, 12,030.99 and 3,404.02 is: 5,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.02 : 12,030.99 = 3,404.02 : x
  2. Step 2: Convert to fraction form
    8,021.02/12,030.99 = 3,404.02/x
  3. Step 3: Cross multiply
    8,021.02x = 12,030.99 × 3,404.02
  4. Step 4: Simplify right side
    8,021.02x = 40,953,730.58
  5. Step 5: Solve for x
    x = 40,953,730.58/8,021.02
  6. Step 6: Final answer
    x = 5,105.80

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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.