Home / 4,905.44-6,767.28-2,914.88

Finding the Fourth Proportional to 4,905.44, 6,767.28 and 2,914.88

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Solution

The fourth proportional to 4,905.44, 6,767.28 and 2,914.88 is: 4,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.44 : 6,767.28 = 2,914.88 : x
  2. Step 2: Convert to fraction form
    4,905.44/6,767.28 = 2,914.88/x
  3. Step 3: Cross multiply
    4,905.44x = 6,767.28 × 2,914.88
  4. Step 4: Simplify right side
    4,905.44x = 19,725,809.13
  5. Step 5: Solve for x
    x = 19,725,809.13/4,905.44
  6. Step 6: Final answer
    x = 4,021.21

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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.