Home / 9,148.51-13,719.69-3,600.40

Finding the Fourth Proportional to 9,148.51, 13,719.69 and 3,600.40

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Solution

The fourth proportional to 9,148.51, 13,719.69 and 3,600.40 is: 5,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.51 : 13,719.69 = 3,600.40 : x
  2. Step 2: Convert to fraction form
    9,148.51/13,719.69 = 3,600.40/x
  3. Step 3: Cross multiply
    9,148.51x = 13,719.69 × 3,600.40
  4. Step 4: Simplify right side
    9,148.51x = 49,396,371.88
  5. Step 5: Solve for x
    x = 49,396,371.88/9,148.51
  6. Step 6: Final answer
    x = 5,399.39

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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.