Home / 4,630.79-6,939.97-2,986.49

Finding the Fourth Proportional to 4,630.79, 6,939.97 and 2,986.49

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Solution

The fourth proportional to 4,630.79, 6,939.97 and 2,986.49 is: 4,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.79 : 6,939.97 = 2,986.49 : x
  2. Step 2: Convert to fraction form
    4,630.79/6,939.97 = 2,986.49/x
  3. Step 3: Cross multiply
    4,630.79x = 6,939.97 × 2,986.49
  4. Step 4: Simplify right side
    4,630.79x = 20,726,108.84
  5. Step 5: Solve for x
    x = 20,726,108.84/4,630.79
  6. Step 6: Final answer
    x = 4,475.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.