Home / 6,907.26-10,361.56-1,977.06

Finding the Fourth Proportional to 6,907.26, 10,361.56 and 1,977.06

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Solution

The fourth proportional to 6,907.26, 10,361.56 and 1,977.06 is: 2,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.26 : 10,361.56 = 1,977.06 : x
  2. Step 2: Convert to fraction form
    6,907.26/10,361.56 = 1,977.06/x
  3. Step 3: Cross multiply
    6,907.26x = 10,361.56 × 1,977.06
  4. Step 4: Simplify right side
    6,907.26x = 20,485,425.81
  5. Step 5: Solve for x
    x = 20,485,425.81/6,907.26
  6. Step 6: Final answer
    x = 2,965.78

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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.