Home / 6,877.80-10,313.61-1,946.28

Finding the Fourth Proportional to 6,877.80, 10,313.61 and 1,946.28

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Solution

The fourth proportional to 6,877.80, 10,313.61 and 1,946.28 is: 2,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.80 : 10,313.61 = 1,946.28 : x
  2. Step 2: Convert to fraction form
    6,877.80/10,313.61 = 1,946.28/x
  3. Step 3: Cross multiply
    6,877.80x = 10,313.61 × 1,946.28
  4. Step 4: Simplify right side
    6,877.80x = 20,073,172.87
  5. Step 5: Solve for x
    x = 20,073,172.87/6,877.80
  6. Step 6: Final answer
    x = 2,918.55

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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.