Home / 8,936.59-13,405.08-3,392.54

Finding the Fourth Proportional to 8,936.59, 13,405.08 and 3,392.54

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Solution

The fourth proportional to 8,936.59, 13,405.08 and 3,392.54 is: 5,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.59 : 13,405.08 = 3,392.54 : x
  2. Step 2: Convert to fraction form
    8,936.59/13,405.08 = 3,392.54/x
  3. Step 3: Cross multiply
    8,936.59x = 13,405.08 × 3,392.54
  4. Step 4: Simplify right side
    8,936.59x = 45,477,270.10
  5. Step 5: Solve for x
    x = 45,477,270.10/8,936.59
  6. Step 6: Final answer
    x = 5,088.88

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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.