Home / 5,690.44-8,538.90-4,543.48

Finding the Fourth Proportional to 5,690.44, 8,538.90 and 4,543.48

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Solution

The fourth proportional to 5,690.44, 8,538.90 and 4,543.48 is: 6,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.44 : 8,538.90 = 4,543.48 : x
  2. Step 2: Convert to fraction form
    5,690.44/8,538.90 = 4,543.48/x
  3. Step 3: Cross multiply
    5,690.44x = 8,538.90 × 4,543.48
  4. Step 4: Simplify right side
    5,690.44x = 38,796,321.37
  5. Step 5: Solve for x
    x = 38,796,321.37/5,690.44
  6. Step 6: Final answer
    x = 6,817.81

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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.