Home / 8,512.20-11,744.34-4,975.38

Finding the Fourth Proportional to 8,512.20, 11,744.34 and 4,975.38

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Solution

The fourth proportional to 8,512.20, 11,744.34 and 4,975.38 is: 6,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.20 : 11,744.34 = 4,975.38 : x
  2. Step 2: Convert to fraction form
    8,512.20/11,744.34 = 4,975.38/x
  3. Step 3: Cross multiply
    8,512.20x = 11,744.34 × 4,975.38
  4. Step 4: Simplify right side
    8,512.20x = 58,432,554.35
  5. Step 5: Solve for x
    x = 58,432,554.35/8,512.20
  6. Step 6: Final answer
    x = 6,864.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.