Home / 4,885.52-6,742.97-3,821.18

Finding the Fourth Proportional to 4,885.52, 6,742.97 and 3,821.18

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Solution

The fourth proportional to 4,885.52, 6,742.97 and 3,821.18 is: 5,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.52 : 6,742.97 = 3,821.18 : x
  2. Step 2: Convert to fraction form
    4,885.52/6,742.97 = 3,821.18/x
  3. Step 3: Cross multiply
    4,885.52x = 6,742.97 × 3,821.18
  4. Step 4: Simplify right side
    4,885.52x = 25,766,128.51
  5. Step 5: Solve for x
    x = 25,766,128.51/4,885.52
  6. Step 6: Final answer
    x = 5,273.98

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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.