Home / 8,836.41-13,254.54-2,172.88

Finding the Fourth Proportional to 8,836.41, 13,254.54 and 2,172.88

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Solution

The fourth proportional to 8,836.41, 13,254.54 and 2,172.88 is: 3,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.41 : 13,254.54 = 2,172.88 : x
  2. Step 2: Convert to fraction form
    8,836.41/13,254.54 = 2,172.88/x
  3. Step 3: Cross multiply
    8,836.41x = 13,254.54 × 2,172.88
  4. Step 4: Simplify right side
    8,836.41x = 28,800,477.07
  5. Step 5: Solve for x
    x = 28,800,477.07/8,836.41
  6. Step 6: Final answer
    x = 3,259.30

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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.