Home / 4,673.84-6,976.55-4,120.25

Finding the Fourth Proportional to 4,673.84, 6,976.55 and 4,120.25

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Solution

The fourth proportional to 4,673.84, 6,976.55 and 4,120.25 is: 6,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.84 : 6,976.55 = 4,120.25 : x
  2. Step 2: Convert to fraction form
    4,673.84/6,976.55 = 4,120.25/x
  3. Step 3: Cross multiply
    4,673.84x = 6,976.55 × 4,120.25
  4. Step 4: Simplify right side
    4,673.84x = 28,745,105.56
  5. Step 5: Solve for x
    x = 28,745,105.56/4,673.84
  6. Step 6: Final answer
    x = 6,150.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.