Home / 4,704.63-6,491.47-2,790.09

Finding the Fourth Proportional to 4,704.63, 6,491.47 and 2,790.09

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Solution

The fourth proportional to 4,704.63, 6,491.47 and 2,790.09 is: 3,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,704.63 : 6,491.47 = 2,790.09 : x
  2. Step 2: Convert to fraction form
    4,704.63/6,491.47 = 2,790.09/x
  3. Step 3: Cross multiply
    4,704.63x = 6,491.47 × 2,790.09
  4. Step 4: Simplify right side
    4,704.63x = 18,111,788.11
  5. Step 5: Solve for x
    x = 18,111,788.11/4,704.63
  6. Step 6: Final answer
    x = 3,849.78

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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.