Home / 6,857.99-9,464.06-3,873.86

Finding the Fourth Proportional to 6,857.99, 9,464.06 and 3,873.86

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Solution

The fourth proportional to 6,857.99, 9,464.06 and 3,873.86 is: 5,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.99 : 9,464.06 = 3,873.86 : x
  2. Step 2: Convert to fraction form
    6,857.99/9,464.06 = 3,873.86/x
  3. Step 3: Cross multiply
    6,857.99x = 9,464.06 × 3,873.86
  4. Step 4: Simplify right side
    6,857.99x = 36,662,443.47
  5. Step 5: Solve for x
    x = 36,662,443.47/6,857.99
  6. Step 6: Final answer
    x = 5,345.95

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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.