Home / 4,744.39-7,115.74-1,281.91

Finding the Fourth Proportional to 4,744.39, 7,115.74 and 1,281.91

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Solution

The fourth proportional to 4,744.39, 7,115.74 and 1,281.91 is: 1,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.39 : 7,115.74 = 1,281.91 : x
  2. Step 2: Convert to fraction form
    4,744.39/7,115.74 = 1,281.91/x
  3. Step 3: Cross multiply
    4,744.39x = 7,115.74 × 1,281.91
  4. Step 4: Simplify right side
    4,744.39x = 9,121,738.26
  5. Step 5: Solve for x
    x = 9,121,738.26/4,744.39
  6. Step 6: Final answer
    x = 1,922.64

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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.