Home / 9,331.02-13,995.45-3,786.84

Finding the Fourth Proportional to 9,331.02, 13,995.45 and 3,786.84

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Solution

The fourth proportional to 9,331.02, 13,995.45 and 3,786.84 is: 5,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.02 : 13,995.45 = 3,786.84 : x
  2. Step 2: Convert to fraction form
    9,331.02/13,995.45 = 3,786.84/x
  3. Step 3: Cross multiply
    9,331.02x = 13,995.45 × 3,786.84
  4. Step 4: Simplify right side
    9,331.02x = 52,998,529.88
  5. Step 5: Solve for x
    x = 52,998,529.88/9,331.02
  6. Step 6: Final answer
    x = 5,679.82

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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.