Home / 5,239.44-7,230.60-2,881.80

Finding the Fourth Proportional to 5,239.44, 7,230.60 and 2,881.80

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Solution

The fourth proportional to 5,239.44, 7,230.60 and 2,881.80 is: 3,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.44 : 7,230.60 = 2,881.80 : x
  2. Step 2: Convert to fraction form
    5,239.44/7,230.60 = 2,881.80/x
  3. Step 3: Cross multiply
    5,239.44x = 7,230.60 × 2,881.80
  4. Step 4: Simplify right side
    5,239.44x = 20,837,143.08
  5. Step 5: Solve for x
    x = 20,837,143.08/5,239.44
  6. Step 6: Final answer
    x = 3,976.98

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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.