Home / 5,369.28-8,054.86-1,811.06

Finding the Fourth Proportional to 5,369.28, 8,054.86 and 1,811.06

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Solution

The fourth proportional to 5,369.28, 8,054.86 and 1,811.06 is: 2,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.28 : 8,054.86 = 1,811.06 : x
  2. Step 2: Convert to fraction form
    5,369.28/8,054.86 = 1,811.06/x
  3. Step 3: Cross multiply
    5,369.28x = 8,054.86 × 1,811.06
  4. Step 4: Simplify right side
    5,369.28x = 14,587,834.75
  5. Step 5: Solve for x
    x = 14,587,834.75/5,369.28
  6. Step 6: Final answer
    x = 2,716.91

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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.