Home / 5,212.36-7,820-2,094.55

Finding the Fourth Proportional to 5,212.36, 7,820 and 2,094.55

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Solution

The fourth proportional to 5,212.36, 7,820 and 2,094.55 is: 3,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.36 : 7,820 = 2,094.55 : x
  2. Step 2: Convert to fraction form
    5,212.36/7,820 = 2,094.55/x
  3. Step 3: Cross multiply
    5,212.36x = 7,820 × 2,094.55
  4. Step 4: Simplify right side
    5,212.36x = 16,379,400.55
  5. Step 5: Solve for x
    x = 16,379,400.55/5,212.36
  6. Step 6: Final answer
    x = 3,142.42

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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.