Home / 5,683.86-8,529.66-1,986.06

Finding the Fourth Proportional to 5,683.86, 8,529.66 and 1,986.06

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Solution

The fourth proportional to 5,683.86, 8,529.66 and 1,986.06 is: 2,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.86 : 8,529.66 = 1,986.06 : x
  2. Step 2: Convert to fraction form
    5,683.86/8,529.66 = 1,986.06/x
  3. Step 3: Cross multiply
    5,683.86x = 8,529.66 × 1,986.06
  4. Step 4: Simplify right side
    5,683.86x = 16,940,416.54
  5. Step 5: Solve for x
    x = 16,940,416.54/5,683.86
  6. Step 6: Final answer
    x = 2,980.44

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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.