Home / 6,149.05-8,484.93-3,879.53

Finding the Fourth Proportional to 6,149.05, 8,484.93 and 3,879.53

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Solution

The fourth proportional to 6,149.05, 8,484.93 and 3,879.53 is: 5,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.05 : 8,484.93 = 3,879.53 : x
  2. Step 2: Convert to fraction form
    6,149.05/8,484.93 = 3,879.53/x
  3. Step 3: Cross multiply
    6,149.05x = 8,484.93 × 3,879.53
  4. Step 4: Simplify right side
    6,149.05x = 32,917,478.66
  5. Step 5: Solve for x
    x = 32,917,478.66/6,149.05
  6. Step 6: Final answer
    x = 5,353.27

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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.