Home / 4,624-6,936.46-1,992.40

Finding the Fourth Proportional to 4,624, 6,936.46 and 1,992.40

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Solution

The fourth proportional to 4,624, 6,936.46 and 1,992.40 is: 2,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624 : 6,936.46 = 1,992.40 : x
  2. Step 2: Convert to fraction form
    4,624/6,936.46 = 1,992.40/x
  3. Step 3: Cross multiply
    4,624x = 6,936.46 × 1,992.40
  4. Step 4: Simplify right side
    4,624x = 13,820,202.90
  5. Step 5: Solve for x
    x = 13,820,202.90/4,624
  6. Step 6: Final answer
    x = 2,988.80

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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.