Home / 4,905.49-6,769.51-2,667.31

Finding the Fourth Proportional to 4,905.49, 6,769.51 and 2,667.31

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Solution

The fourth proportional to 4,905.49, 6,769.51 and 2,667.31 is: 3,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.49 : 6,769.51 = 2,667.31 : x
  2. Step 2: Convert to fraction form
    4,905.49/6,769.51 = 2,667.31/x
  3. Step 3: Cross multiply
    4,905.49x = 6,769.51 × 2,667.31
  4. Step 4: Simplify right side
    4,905.49x = 18,056,381.72
  5. Step 5: Solve for x
    x = 18,056,381.72/4,905.49
  6. Step 6: Final answer
    x = 3,680.85

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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.