Home / 4,990.65-7,490.61-2,527.20

Finding the Fourth Proportional to 4,990.65, 7,490.61 and 2,527.20

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Solution

The fourth proportional to 4,990.65, 7,490.61 and 2,527.20 is: 3,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.65 : 7,490.61 = 2,527.20 : x
  2. Step 2: Convert to fraction form
    4,990.65/7,490.61 = 2,527.20/x
  3. Step 3: Cross multiply
    4,990.65x = 7,490.61 × 2,527.20
  4. Step 4: Simplify right side
    4,990.65x = 18,930,269.59
  5. Step 5: Solve for x
    x = 18,930,269.59/4,990.65
  6. Step 6: Final answer
    x = 3,793.15

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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.