Home / 4,638.55-6,398.97-3,377.65

Finding the Fourth Proportional to 4,638.55, 6,398.97 and 3,377.65

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Solution

The fourth proportional to 4,638.55, 6,398.97 and 3,377.65 is: 4,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.55 : 6,398.97 = 3,377.65 : x
  2. Step 2: Convert to fraction form
    4,638.55/6,398.97 = 3,377.65/x
  3. Step 3: Cross multiply
    4,638.55x = 6,398.97 × 3,377.65
  4. Step 4: Simplify right side
    4,638.55x = 21,613,481.02
  5. Step 5: Solve for x
    x = 21,613,481.02/4,638.55
  6. Step 6: Final answer
    x = 4,659.53

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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.