Home / 5,146.81-7,719.03-3,067.40

Finding the Fourth Proportional to 5,146.81, 7,719.03 and 3,067.40

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Solution

The fourth proportional to 5,146.81, 7,719.03 and 3,067.40 is: 4,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.81 : 7,719.03 = 3,067.40 : x
  2. Step 2: Convert to fraction form
    5,146.81/7,719.03 = 3,067.40/x
  3. Step 3: Cross multiply
    5,146.81x = 7,719.03 × 3,067.40
  4. Step 4: Simplify right side
    5,146.81x = 23,677,371.92
  5. Step 5: Solve for x
    x = 23,677,371.92/5,146.81
  6. Step 6: Final answer
    x = 4,600.40

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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.