Home / 5,462.96-8,187.83-3,879.19

Finding the Fourth Proportional to 5,462.96, 8,187.83 and 3,879.19

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Solution

The fourth proportional to 5,462.96, 8,187.83 and 3,879.19 is: 5,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.96 : 8,187.83 = 3,879.19 : x
  2. Step 2: Convert to fraction form
    5,462.96/8,187.83 = 3,879.19/x
  3. Step 3: Cross multiply
    5,462.96x = 8,187.83 × 3,879.19
  4. Step 4: Simplify right side
    5,462.96x = 31,762,175.46
  5. Step 5: Solve for x
    x = 31,762,175.46/5,462.96
  6. Step 6: Final answer
    x = 5,814.10

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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.