Home / 7,241.44-10,857.80-2,860.96

Finding the Fourth Proportional to 7,241.44, 10,857.80 and 2,860.96

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Solution

The fourth proportional to 7,241.44, 10,857.80 and 2,860.96 is: 4,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.44 : 10,857.80 = 2,860.96 : x
  2. Step 2: Convert to fraction form
    7,241.44/10,857.80 = 2,860.96/x
  3. Step 3: Cross multiply
    7,241.44x = 10,857.80 × 2,860.96
  4. Step 4: Simplify right side
    7,241.44x = 31,063,731.49
  5. Step 5: Solve for x
    x = 31,063,731.49/7,241.44
  6. Step 6: Final answer
    x = 4,289.72

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1.5x scale

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.