Home / 4,854.59-7,281.71-1,391.84

Finding the Fourth Proportional to 4,854.59, 7,281.71 and 1,391.84

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Solution

The fourth proportional to 4,854.59, 7,281.71 and 1,391.84 is: 2,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.59 : 7,281.71 = 1,391.84 : x
  2. Step 2: Convert to fraction form
    4,854.59/7,281.71 = 1,391.84/x
  3. Step 3: Cross multiply
    4,854.59x = 7,281.71 × 1,391.84
  4. Step 4: Simplify right side
    4,854.59x = 10,134,975.25
  5. Step 5: Solve for x
    x = 10,134,975.25/4,854.59
  6. Step 6: Final answer
    x = 2,087.71

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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.