Home / 8,090.83-12,132.81-3,412.93

Finding the Fourth Proportional to 8,090.83, 12,132.81 and 3,412.93

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Solution

The fourth proportional to 8,090.83, 12,132.81 and 3,412.93 is: 5,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.83 : 12,132.81 = 3,412.93 : x
  2. Step 2: Convert to fraction form
    8,090.83/12,132.81 = 3,412.93/x
  3. Step 3: Cross multiply
    8,090.83x = 12,132.81 × 3,412.93
  4. Step 4: Simplify right side
    8,090.83x = 41,408,431.23
  5. Step 5: Solve for x
    x = 41,408,431.23/8,090.83
  6. Step 6: Final answer
    x = 5,117.95

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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.