Home / 9,131.71-13,703.72-3,584.40

Finding the Fourth Proportional to 9,131.71, 13,703.72 and 3,584.40

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Solution

The fourth proportional to 9,131.71, 13,703.72 and 3,584.40 is: 5,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.71 : 13,703.72 = 3,584.40 : x
  2. Step 2: Convert to fraction form
    9,131.71/13,703.72 = 3,584.40/x
  3. Step 3: Cross multiply
    9,131.71x = 13,703.72 × 3,584.40
  4. Step 4: Simplify right side
    9,131.71x = 49,119,544.66
  5. Step 5: Solve for x
    x = 49,119,544.66/9,131.71
  6. Step 6: Final answer
    x = 5,379.01

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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.