Home / 6,893.08-9,509.40-4,238.92

Finding the Fourth Proportional to 6,893.08, 9,509.40 and 4,238.92

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Solution

The fourth proportional to 6,893.08, 9,509.40 and 4,238.92 is: 5,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.08 : 9,509.40 = 4,238.92 : x
  2. Step 2: Convert to fraction form
    6,893.08/9,509.40 = 4,238.92/x
  3. Step 3: Cross multiply
    6,893.08x = 9,509.40 × 4,238.92
  4. Step 4: Simplify right side
    6,893.08x = 40,309,585.85
  5. Step 5: Solve for x
    x = 40,309,585.85/6,893.08
  6. Step 6: Final answer
    x = 5,847.83

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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.