Home / 4,650.38-6,975.56-2,920.22

Finding the Fourth Proportional to 4,650.38, 6,975.56 and 2,920.22

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Solution

The fourth proportional to 4,650.38, 6,975.56 and 2,920.22 is: 4,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.38 : 6,975.56 = 2,920.22 : x
  2. Step 2: Convert to fraction form
    4,650.38/6,975.56 = 2,920.22/x
  3. Step 3: Cross multiply
    4,650.38x = 6,975.56 × 2,920.22
  4. Step 4: Simplify right side
    4,650.38x = 20,370,169.82
  5. Step 5: Solve for x
    x = 20,370,169.82/4,650.38
  6. Step 6: Final answer
    x = 4,380.32

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1.5x scale

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.