Home / 8,090.48-12,135.29-2,823.86

Finding the Fourth Proportional to 8,090.48, 12,135.29 and 2,823.86

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Solution

The fourth proportional to 8,090.48, 12,135.29 and 2,823.86 is: 4,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.48 : 12,135.29 = 2,823.86 : x
  2. Step 2: Convert to fraction form
    8,090.48/12,135.29 = 2,823.86/x
  3. Step 3: Cross multiply
    8,090.48x = 12,135.29 × 2,823.86
  4. Step 4: Simplify right side
    8,090.48x = 34,268,285.22
  5. Step 5: Solve for x
    x = 34,268,285.22/8,090.48
  6. Step 6: Final answer
    x = 4,235.63

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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.