Home / 9,145.09-13,719.80-3,301.75

Finding the Fourth Proportional to 9,145.09, 13,719.80 and 3,301.75

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Solution

The fourth proportional to 9,145.09, 13,719.80 and 3,301.75 is: 4,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.09 : 13,719.80 = 3,301.75 : x
  2. Step 2: Convert to fraction form
    9,145.09/13,719.80 = 3,301.75/x
  3. Step 3: Cross multiply
    9,145.09x = 13,719.80 × 3,301.75
  4. Step 4: Simplify right side
    9,145.09x = 45,299,349.65
  5. Step 5: Solve for x
    x = 45,299,349.65/9,145.09
  6. Step 6: Final answer
    x = 4,953.41

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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.