Home / 7,235.72-10,855.14-2,555.56

Finding the Fourth Proportional to 7,235.72, 10,855.14 and 2,555.56

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Solution

The fourth proportional to 7,235.72, 10,855.14 and 2,555.56 is: 3,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.72 : 10,855.14 = 2,555.56 : x
  2. Step 2: Convert to fraction form
    7,235.72/10,855.14 = 2,555.56/x
  3. Step 3: Cross multiply
    7,235.72x = 10,855.14 × 2,555.56
  4. Step 4: Simplify right side
    7,235.72x = 27,740,961.58
  5. Step 5: Solve for x
    x = 27,740,961.58/7,235.72
  6. Step 6: Final answer
    x = 3,833.89

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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.