Home / 7,255.62-10,884.60-2,872.98

Finding the Fourth Proportional to 7,255.62, 10,884.60 and 2,872.98

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Solution

The fourth proportional to 7,255.62, 10,884.60 and 2,872.98 is: 4,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.62 : 10,884.60 = 2,872.98 : x
  2. Step 2: Convert to fraction form
    7,255.62/10,884.60 = 2,872.98/x
  3. Step 3: Cross multiply
    7,255.62x = 10,884.60 × 2,872.98
  4. Step 4: Simplify right side
    7,255.62x = 31,271,238.11
  5. Step 5: Solve for x
    x = 31,271,238.11/7,255.62
  6. Step 6: Final answer
    x = 4,309.93

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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.