Home / 7,849.20-11,780.64-4,154.09

Finding the Fourth Proportional to 7,849.20, 11,780.64 and 4,154.09

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Solution

The fourth proportional to 7,849.20, 11,780.64 and 4,154.09 is: 6,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.20 : 11,780.64 = 4,154.09 : x
  2. Step 2: Convert to fraction form
    7,849.20/11,780.64 = 4,154.09/x
  3. Step 3: Cross multiply
    7,849.20x = 11,780.64 × 4,154.09
  4. Step 4: Simplify right side
    7,849.20x = 48,937,779.91
  5. Step 5: Solve for x
    x = 48,937,779.91/7,849.20
  6. Step 6: Final answer
    x = 6,234.74

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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.