Home / 8,261.36-12,389.80-2,336.84

Finding the Fourth Proportional to 8,261.36, 12,389.80 and 2,336.84

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Solution

The fourth proportional to 8,261.36, 12,389.80 and 2,336.84 is: 3,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.36 : 12,389.80 = 2,336.84 : x
  2. Step 2: Convert to fraction form
    8,261.36/12,389.80 = 2,336.84/x
  3. Step 3: Cross multiply
    8,261.36x = 12,389.80 × 2,336.84
  4. Step 4: Simplify right side
    8,261.36x = 28,952,980.23
  5. Step 5: Solve for x
    x = 28,952,980.23/8,261.36
  6. Step 6: Final answer
    x = 3,504.63

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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.