Home / 4,830.30-6,664.68-2,840.94

Finding the Fourth Proportional to 4,830.30, 6,664.68 and 2,840.94

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Solution

The fourth proportional to 4,830.30, 6,664.68 and 2,840.94 is: 3,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.30 : 6,664.68 = 2,840.94 : x
  2. Step 2: Convert to fraction form
    4,830.30/6,664.68 = 2,840.94/x
  3. Step 3: Cross multiply
    4,830.30x = 6,664.68 × 2,840.94
  4. Step 4: Simplify right side
    4,830.30x = 18,933,956.00
  5. Step 5: Solve for x
    x = 18,933,956.00/4,830.30
  6. Step 6: Final answer
    x = 3,919.83

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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.