Home / 4,990.42-7,485.96-2,068.96

Finding the Fourth Proportional to 4,990.42, 7,485.96 and 2,068.96

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Solution

The fourth proportional to 4,990.42, 7,485.96 and 2,068.96 is: 3,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.42 : 7,485.96 = 2,068.96 : x
  2. Step 2: Convert to fraction form
    4,990.42/7,485.96 = 2,068.96/x
  3. Step 3: Cross multiply
    4,990.42x = 7,485.96 × 2,068.96
  4. Step 4: Simplify right side
    4,990.42x = 15,488,151.80
  5. Step 5: Solve for x
    x = 15,488,151.80/4,990.42
  6. Step 6: Final answer
    x = 3,103.58

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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.