Home / 5,039.48-7,559.23-1,918.75

Finding the Fourth Proportional to 5,039.48, 7,559.23 and 1,918.75

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Solution

The fourth proportional to 5,039.48, 7,559.23 and 1,918.75 is: 2,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.48 : 7,559.23 = 1,918.75 : x
  2. Step 2: Convert to fraction form
    5,039.48/7,559.23 = 1,918.75/x
  3. Step 3: Cross multiply
    5,039.48x = 7,559.23 × 1,918.75
  4. Step 4: Simplify right side
    5,039.48x = 14,504,262.97
  5. Step 5: Solve for x
    x = 14,504,262.97/5,039.48
  6. Step 6: Final answer
    x = 2,878.13

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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.