Home / 7,683.77-11,518.44-4,168.62

Finding the Fourth Proportional to 7,683.77, 11,518.44 and 4,168.62

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Solution

The fourth proportional to 7,683.77, 11,518.44 and 4,168.62 is: 6,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.77 : 11,518.44 = 4,168.62 : x
  2. Step 2: Convert to fraction form
    7,683.77/11,518.44 = 4,168.62/x
  3. Step 3: Cross multiply
    7,683.77x = 11,518.44 × 4,168.62
  4. Step 4: Simplify right side
    7,683.77x = 48,015,999.35
  5. Step 5: Solve for x
    x = 48,015,999.35/7,683.77
  6. Step 6: Final answer
    x = 6,249.02

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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.