Home / 4,131.15-6,196.95-1,209.69

Finding the Fourth Proportional to 4,131.15, 6,196.95 and 1,209.69

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Solution

The fourth proportional to 4,131.15, 6,196.95 and 1,209.69 is: 1,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.15 : 6,196.95 = 1,209.69 : x
  2. Step 2: Convert to fraction form
    4,131.15/6,196.95 = 1,209.69/x
  3. Step 3: Cross multiply
    4,131.15x = 6,196.95 × 1,209.69
  4. Step 4: Simplify right side
    4,131.15x = 7,496,388.45
  5. Step 5: Solve for x
    x = 7,496,388.45/4,131.15
  6. Step 6: Final answer
    x = 1,814.60

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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.