Home / 7,960.28-11,947.70-4,266.68

Finding the Fourth Proportional to 7,960.28, 11,947.70 and 4,266.68

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Solution

The fourth proportional to 7,960.28, 11,947.70 and 4,266.68 is: 6,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.28 : 11,947.70 = 4,266.68 : x
  2. Step 2: Convert to fraction form
    7,960.28/11,947.70 = 4,266.68/x
  3. Step 3: Cross multiply
    7,960.28x = 11,947.70 × 4,266.68
  4. Step 4: Simplify right side
    7,960.28x = 50,977,012.64
  5. Step 5: Solve for x
    x = 50,977,012.64/7,960.28
  6. Step 6: Final answer
    x = 6,403.92

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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.