Home / 4,747.88-6,549.33-2,858.15

Finding the Fourth Proportional to 4,747.88, 6,549.33 and 2,858.15

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Solution

The fourth proportional to 4,747.88, 6,549.33 and 2,858.15 is: 3,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.88 : 6,549.33 = 2,858.15 : x
  2. Step 2: Convert to fraction form
    4,747.88/6,549.33 = 2,858.15/x
  3. Step 3: Cross multiply
    4,747.88x = 6,549.33 × 2,858.15
  4. Step 4: Simplify right side
    4,747.88x = 18,718,920.50
  5. Step 5: Solve for x
    x = 18,718,920.50/4,747.88
  6. Step 6: Final answer
    x = 3,942.59

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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.