Home / 5,021.70-6,929.82-2,783.54

Finding the Fourth Proportional to 5,021.70, 6,929.82 and 2,783.54

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Solution

The fourth proportional to 5,021.70, 6,929.82 and 2,783.54 is: 3,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.70 : 6,929.82 = 2,783.54 : x
  2. Step 2: Convert to fraction form
    5,021.70/6,929.82 = 2,783.54/x
  3. Step 3: Cross multiply
    5,021.70x = 6,929.82 × 2,783.54
  4. Step 4: Simplify right side
    5,021.70x = 19,289,431.16
  5. Step 5: Solve for x
    x = 19,289,431.16/5,021.70
  6. Step 6: Final answer
    x = 3,841.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.