Home / 5,910.06-8,868.21-3,930.84

Finding the Fourth Proportional to 5,910.06, 8,868.21 and 3,930.84

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Solution

The fourth proportional to 5,910.06, 8,868.21 and 3,930.84 is: 5,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.06 : 8,868.21 = 3,930.84 : x
  2. Step 2: Convert to fraction form
    5,910.06/8,868.21 = 3,930.84/x
  3. Step 3: Cross multiply
    5,910.06x = 8,868.21 × 3,930.84
  4. Step 4: Simplify right side
    5,910.06x = 34,859,514.60
  5. Step 5: Solve for x
    x = 34,859,514.60/5,910.06
  6. Step 6: Final answer
    x = 5,898.34

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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.