Home / 8,450.18-11,658.39-4,910.48

Finding the Fourth Proportional to 8,450.18, 11,658.39 and 4,910.48

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Solution

The fourth proportional to 8,450.18, 11,658.39 and 4,910.48 is: 6,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.18 : 11,658.39 = 4,910.48 : x
  2. Step 2: Convert to fraction form
    8,450.18/11,658.39 = 4,910.48/x
  3. Step 3: Cross multiply
    8,450.18x = 11,658.39 × 4,910.48
  4. Step 4: Simplify right side
    8,450.18x = 57,248,290.93
  5. Step 5: Solve for x
    x = 57,248,290.93/8,450.18
  6. Step 6: Final answer
    x = 6,774.80

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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.