Home / 6,189.91-8,539.89-3,500.77

Finding the Fourth Proportional to 6,189.91, 8,539.89 and 3,500.77

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Solution

The fourth proportional to 6,189.91, 8,539.89 and 3,500.77 is: 4,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.91 : 8,539.89 = 3,500.77 : x
  2. Step 2: Convert to fraction form
    6,189.91/8,539.89 = 3,500.77/x
  3. Step 3: Cross multiply
    6,189.91x = 8,539.89 × 3,500.77
  4. Step 4: Simplify right side
    6,189.91x = 29,896,190.72
  5. Step 5: Solve for x
    x = 29,896,190.72/6,189.91
  6. Step 6: Final answer
    x = 4,829.83

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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.