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Finding the Fourth Proportional to 9,860, 14,790.48 and 2,934.56

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Solution

The fourth proportional to 9,860, 14,790.48 and 2,934.56 is: 4,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860 : 14,790.48 = 2,934.56 : x
  2. Step 2: Convert to fraction form
    9,860/14,790.48 = 2,934.56/x
  3. Step 3: Cross multiply
    9,860x = 14,790.48 × 2,934.56
  4. Step 4: Simplify right side
    9,860x = 43,403,550.99
  5. Step 5: Solve for x
    x = 43,403,550.99/9,860
  6. Step 6: Final answer
    x = 4,401.98

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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.