Home / 4,979.49-6,871.70-2,741.45

Finding the Fourth Proportional to 4,979.49, 6,871.70 and 2,741.45

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Solution

The fourth proportional to 4,979.49, 6,871.70 and 2,741.45 is: 3,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.49 : 6,871.70 = 2,741.45 : x
  2. Step 2: Convert to fraction form
    4,979.49/6,871.70 = 2,741.45/x
  3. Step 3: Cross multiply
    4,979.49x = 6,871.70 × 2,741.45
  4. Step 4: Simplify right side
    4,979.49x = 18,838,408.26
  5. Step 5: Solve for x
    x = 18,838,408.26/4,979.49
  6. Step 6: Final answer
    x = 3,783.20

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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.