Home / 7,985.34-11,975.24-3,056.38

Finding the Fourth Proportional to 7,985.34, 11,975.24 and 3,056.38

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Solution

The fourth proportional to 7,985.34, 11,975.24 and 3,056.38 is: 4,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.34 : 11,975.24 = 3,056.38 : x
  2. Step 2: Convert to fraction form
    7,985.34/11,975.24 = 3,056.38/x
  3. Step 3: Cross multiply
    7,985.34x = 11,975.24 × 3,056.38
  4. Step 4: Simplify right side
    7,985.34x = 36,600,884.03
  5. Step 5: Solve for x
    x = 36,600,884.03/7,985.34
  6. Step 6: Final answer
    x = 4,583.51

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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.