Home / 5,781.19-8,665.21-2,447.36

Finding the Fourth Proportional to 5,781.19, 8,665.21 and 2,447.36

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Solution

The fourth proportional to 5,781.19, 8,665.21 and 2,447.36 is: 3,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.19 : 8,665.21 = 2,447.36 : x
  2. Step 2: Convert to fraction form
    5,781.19/8,665.21 = 2,447.36/x
  3. Step 3: Cross multiply
    5,781.19x = 8,665.21 × 2,447.36
  4. Step 4: Simplify right side
    5,781.19x = 21,206,876.11
  5. Step 5: Solve for x
    x = 21,206,876.11/5,781.19
  6. Step 6: Final answer
    x = 3,668.25

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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.