Home / 5,211.43-7,815.75-1,462.98

Finding the Fourth Proportional to 5,211.43, 7,815.75 and 1,462.98

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Solution

The fourth proportional to 5,211.43, 7,815.75 and 1,462.98 is: 2,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.43 : 7,815.75 = 1,462.98 : x
  2. Step 2: Convert to fraction form
    5,211.43/7,815.75 = 1,462.98/x
  3. Step 3: Cross multiply
    5,211.43x = 7,815.75 × 1,462.98
  4. Step 4: Simplify right side
    5,211.43x = 11,434,285.94
  5. Step 5: Solve for x
    x = 11,434,285.94/5,211.43
  6. Step 6: Final answer
    x = 2,194.08

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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.