Home / 4,190.98-6,287.49-1,558.58

Finding the Fourth Proportional to 4,190.98, 6,287.49 and 1,558.58

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Solution

The fourth proportional to 4,190.98, 6,287.49 and 1,558.58 is: 2,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.98 : 6,287.49 = 1,558.58 : x
  2. Step 2: Convert to fraction form
    4,190.98/6,287.49 = 1,558.58/x
  3. Step 3: Cross multiply
    4,190.98x = 6,287.49 × 1,558.58
  4. Step 4: Simplify right side
    4,190.98x = 9,799,544.68
  5. Step 5: Solve for x
    x = 9,799,544.68/4,190.98
  6. Step 6: Final answer
    x = 2,338.25

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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.