Home / 8,735.65-13,103.33-2,161.84

Finding the Fourth Proportional to 8,735.65, 13,103.33 and 2,161.84

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Solution

The fourth proportional to 8,735.65, 13,103.33 and 2,161.84 is: 3,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.65 : 13,103.33 = 2,161.84 : x
  2. Step 2: Convert to fraction form
    8,735.65/13,103.33 = 2,161.84/x
  3. Step 3: Cross multiply
    8,735.65x = 13,103.33 × 2,161.84
  4. Step 4: Simplify right side
    8,735.65x = 28,327,259.36
  5. Step 5: Solve for x
    x = 28,327,259.36/8,735.65
  6. Step 6: Final answer
    x = 3,242.72

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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.