Home / 5,039.92-7,556.16-2,699.84

Finding the Fourth Proportional to 5,039.92, 7,556.16 and 2,699.84

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Solution

The fourth proportional to 5,039.92, 7,556.16 and 2,699.84 is: 4,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.92 : 7,556.16 = 2,699.84 : x
  2. Step 2: Convert to fraction form
    5,039.92/7,556.16 = 2,699.84/x
  3. Step 3: Cross multiply
    5,039.92x = 7,556.16 × 2,699.84
  4. Step 4: Simplify right side
    5,039.92x = 20,400,423.01
  5. Step 5: Solve for x
    x = 20,400,423.01/5,039.92
  6. Step 6: Final answer
    x = 4,047.77

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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.