Home / 7,261.90-10,890.08-3,103.83

Finding the Fourth Proportional to 7,261.90, 10,890.08 and 3,103.83

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Solution

The fourth proportional to 7,261.90, 10,890.08 and 3,103.83 is: 4,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.90 : 10,890.08 = 3,103.83 : x
  2. Step 2: Convert to fraction form
    7,261.90/10,890.08 = 3,103.83/x
  3. Step 3: Cross multiply
    7,261.90x = 10,890.08 × 3,103.83
  4. Step 4: Simplify right side
    7,261.90x = 33,800,991.99
  5. Step 5: Solve for x
    x = 33,800,991.99/7,261.90
  6. Step 6: Final answer
    x = 4,654.57

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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.