Home / 4,131.24-6,196.91-1,209.60

Finding the Fourth Proportional to 4,131.24, 6,196.91 and 1,209.60

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Solution

The fourth proportional to 4,131.24, 6,196.91 and 1,209.60 is: 1,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.24 : 6,196.91 = 1,209.60 : x
  2. Step 2: Convert to fraction form
    4,131.24/6,196.91 = 1,209.60/x
  3. Step 3: Cross multiply
    4,131.24x = 6,196.91 × 1,209.60
  4. Step 4: Simplify right side
    4,131.24x = 7,495,776.29
  5. Step 5: Solve for x
    x = 7,495,776.29/4,131.24
  6. Step 6: Final answer
    x = 1,814.41

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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.