Home / 6,857.20-10,296.60-3,941.20

Finding the Fourth Proportional to 6,857.20, 10,296.60 and 3,941.20

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Solution

The fourth proportional to 6,857.20, 10,296.60 and 3,941.20 is: 5,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.20 : 10,296.60 = 3,941.20 : x
  2. Step 2: Convert to fraction form
    6,857.20/10,296.60 = 3,941.20/x
  3. Step 3: Cross multiply
    6,857.20x = 10,296.60 × 3,941.20
  4. Step 4: Simplify right side
    6,857.20x = 40,580,959.92
  5. Step 5: Solve for x
    x = 40,580,959.92/6,857.20
  6. Step 6: Final answer
    x = 5,918.01

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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.