Home / 6,938.82-10,409.76-2,556.36

Finding the Fourth Proportional to 6,938.82, 10,409.76 and 2,556.36

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Solution

The fourth proportional to 6,938.82, 10,409.76 and 2,556.36 is: 3,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.82 : 10,409.76 = 2,556.36 : x
  2. Step 2: Convert to fraction form
    6,938.82/10,409.76 = 2,556.36/x
  3. Step 3: Cross multiply
    6,938.82x = 10,409.76 × 2,556.36
  4. Step 4: Simplify right side
    6,938.82x = 26,611,094.07
  5. Step 5: Solve for x
    x = 26,611,094.07/6,938.82
  6. Step 6: Final answer
    x = 3,835.10

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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.