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Finding the Fourth Proportional to 5,808.07, 8,010.19 and 3,919.35

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Solution

The fourth proportional to 5,808.07, 8,010.19 and 3,919.35 is: 5,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.07 : 8,010.19 = 3,919.35 : x
  2. Step 2: Convert to fraction form
    5,808.07/8,010.19 = 3,919.35/x
  3. Step 3: Cross multiply
    5,808.07x = 8,010.19 × 3,919.35
  4. Step 4: Simplify right side
    5,808.07x = 31,394,738.18
  5. Step 5: Solve for x
    x = 31,394,738.18/5,808.07
  6. Step 6: Final answer
    x = 5,405.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.