Home / 6,523.86-9,779.64-2,138.92

Finding the Fourth Proportional to 6,523.86, 9,779.64 and 2,138.92

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Solution

The fourth proportional to 6,523.86, 9,779.64 and 2,138.92 is: 3,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.86 : 9,779.64 = 2,138.92 : x
  2. Step 2: Convert to fraction form
    6,523.86/9,779.64 = 2,138.92/x
  3. Step 3: Cross multiply
    6,523.86x = 9,779.64 × 2,138.92
  4. Step 4: Simplify right side
    6,523.86x = 20,917,867.59
  5. Step 5: Solve for x
    x = 20,917,867.59/6,523.86
  6. Step 6: Final answer
    x = 3,206.36

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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.