Home / 5,021.28-6,929.16-2,896.89

Finding the Fourth Proportional to 5,021.28, 6,929.16 and 2,896.89

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Solution

The fourth proportional to 5,021.28, 6,929.16 and 2,896.89 is: 3,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.28 : 6,929.16 = 2,896.89 : x
  2. Step 2: Convert to fraction form
    5,021.28/6,929.16 = 2,896.89/x
  3. Step 3: Cross multiply
    5,021.28x = 6,929.16 × 2,896.89
  4. Step 4: Simplify right side
    5,021.28x = 20,073,014.31
  5. Step 5: Solve for x
    x = 20,073,014.31/5,021.28
  6. Step 6: Final answer
    x = 3,997.59

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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.