Home / 7,965.32-11,003.38-6,382.47

Finding the Fourth Proportional to 7,965.32, 11,003.38 and 6,382.47

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Solution

The fourth proportional to 7,965.32, 11,003.38 and 6,382.47 is: 8,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.32 : 11,003.38 = 6,382.47 : x
  2. Step 2: Convert to fraction form
    7,965.32/11,003.38 = 6,382.47/x
  3. Step 3: Cross multiply
    7,965.32x = 11,003.38 × 6,382.47
  4. Step 4: Simplify right side
    7,965.32x = 70,228,768.06
  5. Step 5: Solve for x
    x = 70,228,768.06/7,965.32
  6. Step 6: Final answer
    x = 8,816.82

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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.