Home / 7,858.92-10,845.33-5,972.16

Finding the Fourth Proportional to 7,858.92, 10,845.33 and 5,972.16

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Solution

The fourth proportional to 7,858.92, 10,845.33 and 5,972.16 is: 8,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.92 : 10,845.33 = 5,972.16 : x
  2. Step 2: Convert to fraction form
    7,858.92/10,845.33 = 5,972.16/x
  3. Step 3: Cross multiply
    7,858.92x = 10,845.33 × 5,972.16
  4. Step 4: Simplify right side
    7,858.92x = 64,770,046.01
  5. Step 5: Solve for x
    x = 64,770,046.01/7,858.92
  6. Step 6: Final answer
    x = 8,241.60

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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.