Home / 7,948.59-11,914.79-3,564.87

Finding the Fourth Proportional to 7,948.59, 11,914.79 and 3,564.87

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Solution

The fourth proportional to 7,948.59, 11,914.79 and 3,564.87 is: 5,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.59 : 11,914.79 = 3,564.87 : x
  2. Step 2: Convert to fraction form
    7,948.59/11,914.79 = 3,564.87/x
  3. Step 3: Cross multiply
    7,948.59x = 11,914.79 × 3,564.87
  4. Step 4: Simplify right side
    7,948.59x = 42,474,659.60
  5. Step 5: Solve for x
    x = 42,474,659.60/7,948.59
  6. Step 6: Final answer
    x = 5,343.67

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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.