Home / 7,745.56-10,687.76-4,556.96

Finding the Fourth Proportional to 7,745.56, 10,687.76 and 4,556.96

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Solution

The fourth proportional to 7,745.56, 10,687.76 and 4,556.96 is: 6,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.56 : 10,687.76 = 4,556.96 : x
  2. Step 2: Convert to fraction form
    7,745.56/10,687.76 = 4,556.96/x
  3. Step 3: Cross multiply
    7,745.56x = 10,687.76 × 4,556.96
  4. Step 4: Simplify right side
    7,745.56x = 48,703,694.81
  5. Step 5: Solve for x
    x = 48,703,694.81/7,745.56
  6. Step 6: Final answer
    x = 6,287.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.