Home / 5,949-8,206.20-3,709.80

Finding the Fourth Proportional to 5,949, 8,206.20 and 3,709.80

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Solution

The fourth proportional to 5,949, 8,206.20 and 3,709.80 is: 5,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,949 : 8,206.20 = 3,709.80 : x
  2. Step 2: Convert to fraction form
    5,949/8,206.20 = 3,709.80/x
  3. Step 3: Cross multiply
    5,949x = 8,206.20 × 3,709.80
  4. Step 4: Simplify right side
    5,949x = 30,443,360.76
  5. Step 5: Solve for x
    x = 30,443,360.76/5,949
  6. Step 6: Final answer
    x = 5,117.39

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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.