Home / 4,427.40-6,112.64-2,751.28

Finding the Fourth Proportional to 4,427.40, 6,112.64 and 2,751.28

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Solution

The fourth proportional to 4,427.40, 6,112.64 and 2,751.28 is: 3,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.40 : 6,112.64 = 2,751.28 : x
  2. Step 2: Convert to fraction form
    4,427.40/6,112.64 = 2,751.28/x
  3. Step 3: Cross multiply
    4,427.40x = 6,112.64 × 2,751.28
  4. Step 4: Simplify right side
    4,427.40x = 16,817,584.18
  5. Step 5: Solve for x
    x = 16,817,584.18/4,427.40
  6. Step 6: Final answer
    x = 3,798.52

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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.