Home / 8,734.81-13,102.06-2,161.00

Finding the Fourth Proportional to 8,734.81, 13,102.06 and 2,161.00

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Solution

The fourth proportional to 8,734.81, 13,102.06 and 2,161.00 is: 3,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.81 : 13,102.06 = 2,161.00 : x
  2. Step 2: Convert to fraction form
    8,734.81/13,102.06 = 2,161.00/x
  3. Step 3: Cross multiply
    8,734.81x = 13,102.06 × 2,161.00
  4. Step 4: Simplify right side
    8,734.81x = 28,313,486.91
  5. Step 5: Solve for x
    x = 28,313,486.91/8,734.81
  6. Step 6: Final answer
    x = 3,241.45

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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.