Home / 7,850.51-11,777.89-2,586.52

Finding the Fourth Proportional to 7,850.51, 11,777.89 and 2,586.52

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Solution

The fourth proportional to 7,850.51, 11,777.89 and 2,586.52 is: 3,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.51 : 11,777.89 = 2,586.52 : x
  2. Step 2: Convert to fraction form
    7,850.51/11,777.89 = 2,586.52/x
  3. Step 3: Cross multiply
    7,850.51x = 11,777.89 × 2,586.52
  4. Step 4: Simplify right side
    7,850.51x = 30,463,748.04
  5. Step 5: Solve for x
    x = 30,463,748.04/7,850.51
  6. Step 6: Final answer
    x = 3,880.48

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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.