Home / 5,550.74-8,326.04-1,390.71

Finding the Fourth Proportional to 5,550.74, 8,326.04 and 1,390.71

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Solution

The fourth proportional to 5,550.74, 8,326.04 and 1,390.71 is: 2,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.74 : 8,326.04 = 1,390.71 : x
  2. Step 2: Convert to fraction form
    5,550.74/8,326.04 = 1,390.71/x
  3. Step 3: Cross multiply
    5,550.74x = 8,326.04 × 1,390.71
  4. Step 4: Simplify right side
    5,550.74x = 11,579,110.57
  5. Step 5: Solve for x
    x = 11,579,110.57/5,550.74
  6. Step 6: Final answer
    x = 2,086.05

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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.