Home / 5,281.09-7,923.39-1,771.44

Finding the Fourth Proportional to 5,281.09, 7,923.39 and 1,771.44

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Solution

The fourth proportional to 5,281.09, 7,923.39 and 1,771.44 is: 2,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.09 : 7,923.39 = 1,771.44 : x
  2. Step 2: Convert to fraction form
    5,281.09/7,923.39 = 1,771.44/x
  3. Step 3: Cross multiply
    5,281.09x = 7,923.39 × 1,771.44
  4. Step 4: Simplify right side
    5,281.09x = 14,035,801.12
  5. Step 5: Solve for x
    x = 14,035,801.12/5,281.09
  6. Step 6: Final answer
    x = 2,657.75

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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.