Home / 6,877.37-10,316.78-2,196.28

Finding the Fourth Proportional to 6,877.37, 10,316.78 and 2,196.28

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Solution

The fourth proportional to 6,877.37, 10,316.78 and 2,196.28 is: 3,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.37 : 10,316.78 = 2,196.28 : x
  2. Step 2: Convert to fraction form
    6,877.37/10,316.78 = 2,196.28/x
  3. Step 3: Cross multiply
    6,877.37x = 10,316.78 × 2,196.28
  4. Step 4: Simplify right side
    6,877.37x = 22,658,502.66
  5. Step 5: Solve for x
    x = 22,658,502.66/6,877.37
  6. Step 6: Final answer
    x = 3,294.65

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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.