Home / 5,331.63-7,997.94-1,382.88

Finding the Fourth Proportional to 5,331.63, 7,997.94 and 1,382.88

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Solution

The fourth proportional to 5,331.63, 7,997.94 and 1,382.88 is: 2,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.63 : 7,997.94 = 1,382.88 : x
  2. Step 2: Convert to fraction form
    5,331.63/7,997.94 = 1,382.88/x
  3. Step 3: Cross multiply
    5,331.63x = 7,997.94 × 1,382.88
  4. Step 4: Simplify right side
    5,331.63x = 11,060,221.26
  5. Step 5: Solve for x
    x = 11,060,221.26/5,331.63
  6. Step 6: Final answer
    x = 2,074.45

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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.