Home / 4,752.09-7,116.57-3,286.80

Finding the Fourth Proportional to 4,752.09, 7,116.57 and 3,286.80

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Solution

The fourth proportional to 4,752.09, 7,116.57 and 3,286.80 is: 4,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.09 : 7,116.57 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    4,752.09/7,116.57 = 3,286.80/x
  3. Step 3: Cross multiply
    4,752.09x = 7,116.57 × 3,286.80
  4. Step 4: Simplify right side
    4,752.09x = 23,390,742.28
  5. Step 5: Solve for x
    x = 23,390,742.28/4,752.09
  6. Step 6: Final answer
    x = 4,922.20

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1.5x scale

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.