Home / 5,281.88-7,925.55-2,684.81

Finding the Fourth Proportional to 5,281.88, 7,925.55 and 2,684.81

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Solution

The fourth proportional to 5,281.88, 7,925.55 and 2,684.81 is: 4,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.88 : 7,925.55 = 2,684.81 : x
  2. Step 2: Convert to fraction form
    5,281.88/7,925.55 = 2,684.81/x
  3. Step 3: Cross multiply
    5,281.88x = 7,925.55 × 2,684.81
  4. Step 4: Simplify right side
    5,281.88x = 21,278,605.64
  5. Step 5: Solve for x
    x = 21,278,605.64/5,281.88
  6. Step 6: Final answer
    x = 4,028.61

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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.