Home / 7,982.41-11,015.67-4,625.16

Finding the Fourth Proportional to 7,982.41, 11,015.67 and 4,625.16

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Solution

The fourth proportional to 7,982.41, 11,015.67 and 4,625.16 is: 6,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.41 : 11,015.67 = 4,625.16 : x
  2. Step 2: Convert to fraction form
    7,982.41/11,015.67 = 4,625.16/x
  3. Step 3: Cross multiply
    7,982.41x = 11,015.67 × 4,625.16
  4. Step 4: Simplify right side
    7,982.41x = 50,949,236.26
  5. Step 5: Solve for x
    x = 50,949,236.26/7,982.41
  6. Step 6: Final answer
    x = 6,382.69

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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.