Home / 9,890.43-14,835.79-3,226.89

Finding the Fourth Proportional to 9,890.43, 14,835.79 and 3,226.89

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Solution

The fourth proportional to 9,890.43, 14,835.79 and 3,226.89 is: 4,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.43 : 14,835.79 = 3,226.89 : x
  2. Step 2: Convert to fraction form
    9,890.43/14,835.79 = 3,226.89/x
  3. Step 3: Cross multiply
    9,890.43x = 14,835.79 × 3,226.89
  4. Step 4: Simplify right side
    9,890.43x = 47,873,462.39
  5. Step 5: Solve for x
    x = 47,873,462.39/9,890.43
  6. Step 6: Final answer
    x = 4,840.38

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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.