Home / 9,146.25-13,719.06-3,877.87

Finding the Fourth Proportional to 9,146.25, 13,719.06 and 3,877.87

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Solution

The fourth proportional to 9,146.25, 13,719.06 and 3,877.87 is: 5,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.25 : 13,719.06 = 3,877.87 : x
  2. Step 2: Convert to fraction form
    9,146.25/13,719.06 = 3,877.87/x
  3. Step 3: Cross multiply
    9,146.25x = 13,719.06 × 3,877.87
  4. Step 4: Simplify right side
    9,146.25x = 53,200,731.20
  5. Step 5: Solve for x
    x = 53,200,731.20/9,146.25
  6. Step 6: Final answer
    x = 5,816.67

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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.