Home / 4,166.90-6,247.23-1,391.96

Finding the Fourth Proportional to 4,166.90, 6,247.23 and 1,391.96

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Solution

The fourth proportional to 4,166.90, 6,247.23 and 1,391.96 is: 2,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.90 : 6,247.23 = 1,391.96 : x
  2. Step 2: Convert to fraction form
    4,166.90/6,247.23 = 1,391.96/x
  3. Step 3: Cross multiply
    4,166.90x = 6,247.23 × 1,391.96
  4. Step 4: Simplify right side
    4,166.90x = 8,695,894.27
  5. Step 5: Solve for x
    x = 8,695,894.27/4,166.90
  6. Step 6: Final answer
    x = 2,086.90

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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.