Home / 7,485.98-11,228.04-2,556.11

Finding the Fourth Proportional to 7,485.98, 11,228.04 and 2,556.11

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Solution

The fourth proportional to 7,485.98, 11,228.04 and 2,556.11 is: 3,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.98 : 11,228.04 = 2,556.11 : x
  2. Step 2: Convert to fraction form
    7,485.98/11,228.04 = 2,556.11/x
  3. Step 3: Cross multiply
    7,485.98x = 11,228.04 × 2,556.11
  4. Step 4: Simplify right side
    7,485.98x = 28,700,049.18
  5. Step 5: Solve for x
    x = 28,700,049.18/7,485.98
  6. Step 6: Final answer
    x = 3,833.84

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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.