Home / 7,849.94-11,776.64-2,586.57

Finding the Fourth Proportional to 7,849.94, 11,776.64 and 2,586.57

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Solution

The fourth proportional to 7,849.94, 11,776.64 and 2,586.57 is: 3,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.94 : 11,776.64 = 2,586.57 : x
  2. Step 2: Convert to fraction form
    7,849.94/11,776.64 = 2,586.57/x
  3. Step 3: Cross multiply
    7,849.94x = 11,776.64 × 2,586.57
  4. Step 4: Simplify right side
    7,849.94x = 30,461,061.35
  5. Step 5: Solve for x
    x = 30,461,061.35/7,849.94
  6. Step 6: Final answer
    x = 3,880.42

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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.