Home / 4,127.25-6,190.88-1,205.58

Finding the Fourth Proportional to 4,127.25, 6,190.88 and 1,205.58

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Solution

The fourth proportional to 4,127.25, 6,190.88 and 1,205.58 is: 1,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.25 : 6,190.88 = 1,205.58 : x
  2. Step 2: Convert to fraction form
    4,127.25/6,190.88 = 1,205.58/x
  3. Step 3: Cross multiply
    4,127.25x = 6,190.88 × 1,205.58
  4. Step 4: Simplify right side
    4,127.25x = 7,463,595.08
  5. Step 5: Solve for x
    x = 7,463,595.08/4,127.25
  6. Step 6: Final answer
    x = 1,808.37

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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.