Home / 4,990.42-7,486.52-2,068.94

Finding the Fourth Proportional to 4,990.42, 7,486.52 and 2,068.94

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Solution

The fourth proportional to 4,990.42, 7,486.52 and 2,068.94 is: 3,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.42 : 7,486.52 = 2,068.94 : x
  2. Step 2: Convert to fraction form
    4,990.42/7,486.52 = 2,068.94/x
  3. Step 3: Cross multiply
    4,990.42x = 7,486.52 × 2,068.94
  4. Step 4: Simplify right side
    4,990.42x = 15,489,160.69
  5. Step 5: Solve for x
    x = 15,489,160.69/4,990.42
  6. Step 6: Final answer
    x = 3,103.78

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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.