Home / 9,129.53-13,685.97-3,284.80

Finding the Fourth Proportional to 9,129.53, 13,685.97 and 3,284.80

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Solution

The fourth proportional to 9,129.53, 13,685.97 and 3,284.80 is: 4,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.53 : 13,685.97 = 3,284.80 : x
  2. Step 2: Convert to fraction form
    9,129.53/13,685.97 = 3,284.80/x
  3. Step 3: Cross multiply
    9,129.53x = 13,685.97 × 3,284.80
  4. Step 4: Simplify right side
    9,129.53x = 44,955,674.26
  5. Step 5: Solve for x
    x = 44,955,674.26/9,129.53
  6. Step 6: Final answer
    x = 4,924.20

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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.