Home / 6,425.39-9,631.38-3,133.96

Finding the Fourth Proportional to 6,425.39, 9,631.38 and 3,133.96

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Solution

The fourth proportional to 6,425.39, 9,631.38 and 3,133.96 is: 4,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.39 : 9,631.38 = 3,133.96 : x
  2. Step 2: Convert to fraction form
    6,425.39/9,631.38 = 3,133.96/x
  3. Step 3: Cross multiply
    6,425.39x = 9,631.38 × 3,133.96
  4. Step 4: Simplify right side
    6,425.39x = 30,184,359.66
  5. Step 5: Solve for x
    x = 30,184,359.66/6,425.39
  6. Step 6: Final answer
    x = 4,697.67

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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.