Home / 6,874.28-10,308.50-2,975.90

Finding the Fourth Proportional to 6,874.28, 10,308.50 and 2,975.90

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Solution

The fourth proportional to 6,874.28, 10,308.50 and 2,975.90 is: 4,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.28 : 10,308.50 = 2,975.90 : x
  2. Step 2: Convert to fraction form
    6,874.28/10,308.50 = 2,975.90/x
  3. Step 3: Cross multiply
    6,874.28x = 10,308.50 × 2,975.90
  4. Step 4: Simplify right side
    6,874.28x = 30,677,065.15
  5. Step 5: Solve for x
    x = 30,677,065.15/6,874.28
  6. Step 6: Final answer
    x = 4,462.59

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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.