Home / 4,520.97-6,779.01-1,399.63

Finding the Fourth Proportional to 4,520.97, 6,779.01 and 1,399.63

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Solution

The fourth proportional to 4,520.97, 6,779.01 and 1,399.63 is: 2,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.97 : 6,779.01 = 1,399.63 : x
  2. Step 2: Convert to fraction form
    4,520.97/6,779.01 = 1,399.63/x
  3. Step 3: Cross multiply
    4,520.97x = 6,779.01 × 1,399.63
  4. Step 4: Simplify right side
    4,520.97x = 9,488,105.77
  5. Step 5: Solve for x
    x = 9,488,105.77/4,520.97
  6. Step 6: Final answer
    x = 2,098.69

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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.