Home / 7,703.91-11,556.36-2,439.12

Finding the Fourth Proportional to 7,703.91, 11,556.36 and 2,439.12

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Solution

The fourth proportional to 7,703.91, 11,556.36 and 2,439.12 is: 3,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.91 : 11,556.36 = 2,439.12 : x
  2. Step 2: Convert to fraction form
    7,703.91/11,556.36 = 2,439.12/x
  3. Step 3: Cross multiply
    7,703.91x = 11,556.36 × 2,439.12
  4. Step 4: Simplify right side
    7,703.91x = 28,187,348.80
  5. Step 5: Solve for x
    x = 28,187,348.80/7,703.91
  6. Step 6: Final answer
    x = 3,658.84

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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.