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Finding the Fourth Proportional to 6,877.09, 10,315.82 and 1,946.22

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Solution

The fourth proportional to 6,877.09, 10,315.82 and 1,946.22 is: 2,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.09 : 10,315.82 = 1,946.22 : x
  2. Step 2: Convert to fraction form
    6,877.09/10,315.82 = 1,946.22/x
  3. Step 3: Cross multiply
    6,877.09x = 10,315.82 × 1,946.22
  4. Step 4: Simplify right side
    6,877.09x = 20,076,821.38
  5. Step 5: Solve for x
    x = 20,076,821.38/6,877.09
  6. Step 6: Final answer
    x = 2,919.38

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1.5x scale

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.