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Finding the Fourth Proportional to 9,620, 14,430 and 3,464

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Solution

The fourth proportional to 9,620, 14,430 and 3,464 is: 5,196

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620 : 14,430 = 3,464 : x
  2. Step 2: Convert to fraction form
    9,620/14,430 = 3,464/x
  3. Step 3: Cross multiply
    9,620x = 14,430 × 3,464
  4. Step 4: Simplify right side
    9,620x = 49,985,520
  5. Step 5: Solve for x
    x = 49,985,520/9,620
  6. Step 6: Final answer
    x = 5,196

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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.