Home / 6,480.17-8,940.55-3,828.49

Finding the Fourth Proportional to 6,480.17, 8,940.55 and 3,828.49

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Solution

The fourth proportional to 6,480.17, 8,940.55 and 3,828.49 is: 5,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.17 : 8,940.55 = 3,828.49 : x
  2. Step 2: Convert to fraction form
    6,480.17/8,940.55 = 3,828.49/x
  3. Step 3: Cross multiply
    6,480.17x = 8,940.55 × 3,828.49
  4. Step 4: Simplify right side
    6,480.17x = 34,228,787.13
  5. Step 5: Solve for x
    x = 34,228,787.13/6,480.17
  6. Step 6: Final answer
    x = 5,282.08

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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.