Home / 4,439.96-6,128.89-2,927.28

Finding the Fourth Proportional to 4,439.96, 6,128.89 and 2,927.28

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Solution

The fourth proportional to 4,439.96, 6,128.89 and 2,927.28 is: 4,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.96 : 6,128.89 = 2,927.28 : x
  2. Step 2: Convert to fraction form
    4,439.96/6,128.89 = 2,927.28/x
  3. Step 3: Cross multiply
    4,439.96x = 6,128.89 × 2,927.28
  4. Step 4: Simplify right side
    4,439.96x = 17,940,969.80
  5. Step 5: Solve for x
    x = 17,940,969.80/4,439.96
  6. Step 6: Final answer
    x = 4,040.80

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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.