Home / 4,620-6,929.94-2,153.43

Finding the Fourth Proportional to 4,620, 6,929.94 and 2,153.43

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Solution

The fourth proportional to 4,620, 6,929.94 and 2,153.43 is: 3,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620 : 6,929.94 = 2,153.43 : x
  2. Step 2: Convert to fraction form
    4,620/6,929.94 = 2,153.43/x
  3. Step 3: Cross multiply
    4,620x = 6,929.94 × 2,153.43
  4. Step 4: Simplify right side
    4,620x = 14,923,140.69
  5. Step 5: Solve for x
    x = 14,923,140.69/4,620
  6. Step 6: Final answer
    x = 3,230.12

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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.