Home / 5,299.29-7,939.95-3,212.94

Finding the Fourth Proportional to 5,299.29, 7,939.95 and 3,212.94

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Solution

The fourth proportional to 5,299.29, 7,939.95 and 3,212.94 is: 4,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.29 : 7,939.95 = 3,212.94 : x
  2. Step 2: Convert to fraction form
    5,299.29/7,939.95 = 3,212.94/x
  3. Step 3: Cross multiply
    5,299.29x = 7,939.95 × 3,212.94
  4. Step 4: Simplify right side
    5,299.29x = 25,510,582.95
  5. Step 5: Solve for x
    x = 25,510,582.95/5,299.29
  6. Step 6: Final answer
    x = 4,813.96

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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.