Home / 4,990.82-7,486.23-1,527.62

Finding the Fourth Proportional to 4,990.82, 7,486.23 and 1,527.62

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Solution

The fourth proportional to 4,990.82, 7,486.23 and 1,527.62 is: 2,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.82 : 7,486.23 = 1,527.62 : x
  2. Step 2: Convert to fraction form
    4,990.82/7,486.23 = 1,527.62/x
  3. Step 3: Cross multiply
    4,990.82x = 7,486.23 × 1,527.62
  4. Step 4: Simplify right side
    4,990.82x = 11,436,114.67
  5. Step 5: Solve for x
    x = 11,436,114.67/4,990.82
  6. Step 6: Final answer
    x = 2,291.43

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Double scale
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Similar ratio
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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.