Home / 7,918.44-11,877.68-2,724.32

Finding the Fourth Proportional to 7,918.44, 11,877.68 and 2,724.32

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Solution

The fourth proportional to 7,918.44, 11,877.68 and 2,724.32 is: 4,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.44 : 11,877.68 = 2,724.32 : x
  2. Step 2: Convert to fraction form
    7,918.44/11,877.68 = 2,724.32/x
  3. Step 3: Cross multiply
    7,918.44x = 11,877.68 × 2,724.32
  4. Step 4: Simplify right side
    7,918.44x = 32,358,601.18
  5. Step 5: Solve for x
    x = 32,358,601.18/7,918.44
  6. Step 6: Final answer
    x = 4,086.49

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1.5x scale

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.