Home / 8,352.72-11,541.96-7,947.84

Finding the Fourth Proportional to 8,352.72, 11,541.96 and 7,947.84

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Solution

The fourth proportional to 8,352.72, 11,541.96 and 7,947.84 is: 10,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.72 : 11,541.96 = 7,947.84 : x
  2. Step 2: Convert to fraction form
    8,352.72/11,541.96 = 7,947.84/x
  3. Step 3: Cross multiply
    8,352.72x = 11,541.96 × 7,947.84
  4. Step 4: Simplify right side
    8,352.72x = 91,733,651.37
  5. Step 5: Solve for x
    x = 91,733,651.37/8,352.72
  6. Step 6: Final answer
    x = 10,982.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.