Home / 4,717.80-6,511.38-2,728.02

Finding the Fourth Proportional to 4,717.80, 6,511.38 and 2,728.02

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Solution

The fourth proportional to 4,717.80, 6,511.38 and 2,728.02 is: 3,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.80 : 6,511.38 = 2,728.02 : x
  2. Step 2: Convert to fraction form
    4,717.80/6,511.38 = 2,728.02/x
  3. Step 3: Cross multiply
    4,717.80x = 6,511.38 × 2,728.02
  4. Step 4: Simplify right side
    4,717.80x = 17,763,174.87
  5. Step 5: Solve for x
    x = 17,763,174.87/4,717.80
  6. Step 6: Final answer
    x = 3,765.14

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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.