Home / 6,142.37-9,216.56-2,857.76

Finding the Fourth Proportional to 6,142.37, 9,216.56 and 2,857.76

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Solution

The fourth proportional to 6,142.37, 9,216.56 and 2,857.76 is: 4,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.37 : 9,216.56 = 2,857.76 : x
  2. Step 2: Convert to fraction form
    6,142.37/9,216.56 = 2,857.76/x
  3. Step 3: Cross multiply
    6,142.37x = 9,216.56 × 2,857.76
  4. Step 4: Simplify right side
    6,142.37x = 26,338,677.57
  5. Step 5: Solve for x
    x = 26,338,677.57/6,142.37
  6. Step 6: Final answer
    x = 4,288.03

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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.