Home / 7,148.97-10,725.18-2,986.68

Finding the Fourth Proportional to 7,148.97, 10,725.18 and 2,986.68

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Solution

The fourth proportional to 7,148.97, 10,725.18 and 2,986.68 is: 4,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.97 : 10,725.18 = 2,986.68 : x
  2. Step 2: Convert to fraction form
    7,148.97/10,725.18 = 2,986.68/x
  3. Step 3: Cross multiply
    7,148.97x = 10,725.18 × 2,986.68
  4. Step 4: Simplify right side
    7,148.97x = 32,032,680.60
  5. Step 5: Solve for x
    x = 32,032,680.60/7,148.97
  6. Step 6: Final answer
    x = 4,480.74

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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.