Home / 6,859.44-10,288.08-2,178.83

Finding the Fourth Proportional to 6,859.44, 10,288.08 and 2,178.83

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Solution

The fourth proportional to 6,859.44, 10,288.08 and 2,178.83 is: 3,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.44 : 10,288.08 = 2,178.83 : x
  2. Step 2: Convert to fraction form
    6,859.44/10,288.08 = 2,178.83/x
  3. Step 3: Cross multiply
    6,859.44x = 10,288.08 × 2,178.83
  4. Step 4: Simplify right side
    6,859.44x = 22,415,977.35
  5. Step 5: Solve for x
    x = 22,415,977.35/6,859.44
  6. Step 6: Final answer
    x = 3,267.90

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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.