Home / 9,159.83-13,739.84-2,919.79

Finding the Fourth Proportional to 9,159.83, 13,739.84 and 2,919.79

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Solution

The fourth proportional to 9,159.83, 13,739.84 and 2,919.79 is: 4,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.83 : 13,739.84 = 2,919.79 : x
  2. Step 2: Convert to fraction form
    9,159.83/13,739.84 = 2,919.79/x
  3. Step 3: Cross multiply
    9,159.83x = 13,739.84 × 2,919.79
  4. Step 4: Simplify right side
    9,159.83x = 40,117,420.38
  5. Step 5: Solve for x
    x = 40,117,420.38/9,159.83
  6. Step 6: Final answer
    x = 4,379.71

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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.