Home / 6,741.62-10,112.91-2,124.50

Finding the Fourth Proportional to 6,741.62, 10,112.91 and 2,124.50

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Solution

The fourth proportional to 6,741.62, 10,112.91 and 2,124.50 is: 3,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.62 : 10,112.91 = 2,124.50 : x
  2. Step 2: Convert to fraction form
    6,741.62/10,112.91 = 2,124.50/x
  3. Step 3: Cross multiply
    6,741.62x = 10,112.91 × 2,124.50
  4. Step 4: Simplify right side
    6,741.62x = 21,484,877.30
  5. Step 5: Solve for x
    x = 21,484,877.30/6,741.62
  6. Step 6: Final answer
    x = 3,186.90

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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.