Home / 9,390.94-14,083.67-2,815.56

Finding the Fourth Proportional to 9,390.94, 14,083.67 and 2,815.56

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Solution

The fourth proportional to 9,390.94, 14,083.67 and 2,815.56 is: 4,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.94 : 14,083.67 = 2,815.56 : x
  2. Step 2: Convert to fraction form
    9,390.94/14,083.67 = 2,815.56/x
  3. Step 3: Cross multiply
    9,390.94x = 14,083.67 × 2,815.56
  4. Step 4: Simplify right side
    9,390.94x = 39,653,424.94
  5. Step 5: Solve for x
    x = 39,653,424.94/9,390.94
  6. Step 6: Final answer
    x = 4,222.52

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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.