Home / 6,940.44-9,577.56-4,145.40

Finding the Fourth Proportional to 6,940.44, 9,577.56 and 4,145.40

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Solution

The fourth proportional to 6,940.44, 9,577.56 and 4,145.40 is: 5,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.44 : 9,577.56 = 4,145.40 : x
  2. Step 2: Convert to fraction form
    6,940.44/9,577.56 = 4,145.40/x
  3. Step 3: Cross multiply
    6,940.44x = 9,577.56 × 4,145.40
  4. Step 4: Simplify right side
    6,940.44x = 39,702,817.22
  5. Step 5: Solve for x
    x = 39,702,817.22/6,940.44
  6. Step 6: Final answer
    x = 5,720.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.