Home / 5,039.78-6,954.75-2,915.27

Finding the Fourth Proportional to 5,039.78, 6,954.75 and 2,915.27

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Solution

The fourth proportional to 5,039.78, 6,954.75 and 2,915.27 is: 4,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.78 : 6,954.75 = 2,915.27 : x
  2. Step 2: Convert to fraction form
    5,039.78/6,954.75 = 2,915.27/x
  3. Step 3: Cross multiply
    5,039.78x = 6,954.75 × 2,915.27
  4. Step 4: Simplify right side
    5,039.78x = 20,274,939.26
  5. Step 5: Solve for x
    x = 20,274,939.26/5,039.78
  6. Step 6: Final answer
    x = 4,022.98

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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.