Home / 8,138.03-12,207.94-2,590.07

Finding the Fourth Proportional to 8,138.03, 12,207.94 and 2,590.07

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Solution

The fourth proportional to 8,138.03, 12,207.94 and 2,590.07 is: 3,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.03 : 12,207.94 = 2,590.07 : x
  2. Step 2: Convert to fraction form
    8,138.03/12,207.94 = 2,590.07/x
  3. Step 3: Cross multiply
    8,138.03x = 12,207.94 × 2,590.07
  4. Step 4: Simplify right side
    8,138.03x = 31,619,433.84
  5. Step 5: Solve for x
    x = 31,619,433.84/8,138.03
  6. Step 6: Final answer
    x = 3,885.39

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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.