Home / 5,039.20-7,556.77-1,918.14

Finding the Fourth Proportional to 5,039.20, 7,556.77 and 1,918.14

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Solution

The fourth proportional to 5,039.20, 7,556.77 and 1,918.14 is: 2,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.20 : 7,556.77 = 1,918.14 : x
  2. Step 2: Convert to fraction form
    5,039.20/7,556.77 = 1,918.14/x
  3. Step 3: Cross multiply
    5,039.20x = 7,556.77 × 1,918.14
  4. Step 4: Simplify right side
    5,039.20x = 14,494,942.81
  5. Step 5: Solve for x
    x = 14,494,942.81/5,039.20
  6. Step 6: Final answer
    x = 2,876.44

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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.