Home / 4,130.96-6,195.60-1,209.44

Finding the Fourth Proportional to 4,130.96, 6,195.60 and 1,209.44

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Solution

The fourth proportional to 4,130.96, 6,195.60 and 1,209.44 is: 1,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.96 : 6,195.60 = 1,209.44 : x
  2. Step 2: Convert to fraction form
    4,130.96/6,195.60 = 1,209.44/x
  3. Step 3: Cross multiply
    4,130.96x = 6,195.60 × 1,209.44
  4. Step 4: Simplify right side
    4,130.96x = 7,493,206.46
  5. Step 5: Solve for x
    x = 7,493,206.46/4,130.96
  6. Step 6: Final answer
    x = 1,813.91

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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.