Home / 4,624.92-6,938.28-1,992.42

Finding the Fourth Proportional to 4,624.92, 6,938.28 and 1,992.42

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Solution

The fourth proportional to 4,624.92, 6,938.28 and 1,992.42 is: 2,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.92 : 6,938.28 = 1,992.42 : x
  2. Step 2: Convert to fraction form
    4,624.92/6,938.28 = 1,992.42/x
  3. Step 3: Cross multiply
    4,624.92x = 6,938.28 × 1,992.42
  4. Step 4: Simplify right side
    4,624.92x = 13,823,967.84
  5. Step 5: Solve for x
    x = 13,823,967.84/4,624.92
  6. Step 6: Final answer
    x = 2,989.02

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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.