Home / 7,947.08-11,921.16-2,753.36

Finding the Fourth Proportional to 7,947.08, 11,921.16 and 2,753.36

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Solution

The fourth proportional to 7,947.08, 11,921.16 and 2,753.36 is: 4,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.08 : 11,921.16 = 2,753.36 : x
  2. Step 2: Convert to fraction form
    7,947.08/11,921.16 = 2,753.36/x
  3. Step 3: Cross multiply
    7,947.08x = 11,921.16 × 2,753.36
  4. Step 4: Simplify right side
    7,947.08x = 32,823,245.10
  5. Step 5: Solve for x
    x = 32,823,245.10/7,947.08
  6. Step 6: Final answer
    x = 4,130.23

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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.