Home / 5,212.64-7,817.88-1,923.48

Finding the Fourth Proportional to 5,212.64, 7,817.88 and 1,923.48

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Solution

The fourth proportional to 5,212.64, 7,817.88 and 1,923.48 is: 2,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.64 : 7,817.88 = 1,923.48 : x
  2. Step 2: Convert to fraction form
    5,212.64/7,817.88 = 1,923.48/x
  3. Step 3: Cross multiply
    5,212.64x = 7,817.88 × 1,923.48
  4. Step 4: Simplify right side
    5,212.64x = 15,037,567.90
  5. Step 5: Solve for x
    x = 15,037,567.90/5,212.64
  6. Step 6: Final answer
    x = 2,884.83

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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.