Home / 4,908.39-6,768.91-3,787.55

Finding the Fourth Proportional to 4,908.39, 6,768.91 and 3,787.55

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Solution

The fourth proportional to 4,908.39, 6,768.91 and 3,787.55 is: 5,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.39 : 6,768.91 = 3,787.55 : x
  2. Step 2: Convert to fraction form
    4,908.39/6,768.91 = 3,787.55/x
  3. Step 3: Cross multiply
    4,908.39x = 6,768.91 × 3,787.55
  4. Step 4: Simplify right side
    4,908.39x = 25,637,532.29
  5. Step 5: Solve for x
    x = 25,637,532.29/4,908.39
  6. Step 6: Final answer
    x = 5,223.21

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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.