Home / 6,940.60-10,407.30-2,555.80

Finding the Fourth Proportional to 6,940.60, 10,407.30 and 2,555.80

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Solution

The fourth proportional to 6,940.60, 10,407.30 and 2,555.80 is: 3,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.60 : 10,407.30 = 2,555.80 : x
  2. Step 2: Convert to fraction form
    6,940.60/10,407.30 = 2,555.80/x
  3. Step 3: Cross multiply
    6,940.60x = 10,407.30 × 2,555.80
  4. Step 4: Simplify right side
    6,940.60x = 26,598,977.34
  5. Step 5: Solve for x
    x = 26,598,977.34/6,940.60
  6. Step 6: Final answer
    x = 3,832.37

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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.