Home / 8,681.09-13,022.19-3,486.96

Finding the Fourth Proportional to 8,681.09, 13,022.19 and 3,486.96

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Solution

The fourth proportional to 8,681.09, 13,022.19 and 3,486.96 is: 5,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.09 : 13,022.19 = 3,486.96 : x
  2. Step 2: Convert to fraction form
    8,681.09/13,022.19 = 3,486.96/x
  3. Step 3: Cross multiply
    8,681.09x = 13,022.19 × 3,486.96
  4. Step 4: Simplify right side
    8,681.09x = 45,407,855.64
  5. Step 5: Solve for x
    x = 45,407,855.64/8,681.09
  6. Step 6: Final answer
    x = 5,230.67

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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.