Home / 4,234.61-6,351.62-1,313.15

Finding the Fourth Proportional to 4,234.61, 6,351.62 and 1,313.15

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Solution

The fourth proportional to 4,234.61, 6,351.62 and 1,313.15 is: 1,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.61 : 6,351.62 = 1,313.15 : x
  2. Step 2: Convert to fraction form
    4,234.61/6,351.62 = 1,313.15/x
  3. Step 3: Cross multiply
    4,234.61x = 6,351.62 × 1,313.15
  4. Step 4: Simplify right side
    4,234.61x = 8,340,591.48
  5. Step 5: Solve for x
    x = 8,340,591.48/4,234.61
  6. Step 6: Final answer
    x = 1,969.62

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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.