Home / 6,190.86-9,287.81-1,808.29

Finding the Fourth Proportional to 6,190.86, 9,287.81 and 1,808.29

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Solution

The fourth proportional to 6,190.86, 9,287.81 and 1,808.29 is: 2,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.86 : 9,287.81 = 1,808.29 : x
  2. Step 2: Convert to fraction form
    6,190.86/9,287.81 = 1,808.29/x
  3. Step 3: Cross multiply
    6,190.86x = 9,287.81 × 1,808.29
  4. Step 4: Simplify right side
    6,190.86x = 16,795,073.47
  5. Step 5: Solve for x
    x = 16,795,073.47/6,190.86
  6. Step 6: Final answer
    x = 2,712.88

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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.