Home / 5,060.12-6,982.94-2,821.68

Finding the Fourth Proportional to 5,060.12, 6,982.94 and 2,821.68

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Solution

The fourth proportional to 5,060.12, 6,982.94 and 2,821.68 is: 3,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,060.12 : 6,982.94 = 2,821.68 : x
  2. Step 2: Convert to fraction form
    5,060.12/6,982.94 = 2,821.68/x
  3. Step 3: Cross multiply
    5,060.12x = 6,982.94 × 2,821.68
  4. Step 4: Simplify right side
    5,060.12x = 19,703,622.14
  5. Step 5: Solve for x
    x = 19,703,622.14/5,060.12
  6. Step 6: Final answer
    x = 3,893.90

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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.