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Finding the Fourth Proportional to 9,879.05, 14,819.93 and 4,034.29

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Solution

The fourth proportional to 9,879.05, 14,819.93 and 4,034.29 is: 6,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.05 : 14,819.93 = 4,034.29 : x
  2. Step 2: Convert to fraction form
    9,879.05/14,819.93 = 4,034.29/x
  3. Step 3: Cross multiply
    9,879.05x = 14,819.93 × 4,034.29
  4. Step 4: Simplify right side
    9,879.05x = 59,787,801.13
  5. Step 5: Solve for x
    x = 59,787,801.13/9,879.05
  6. Step 6: Final answer
    x = 6,051.98

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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.