Home / 4,836.63-6,687.95-3,840.15

Finding the Fourth Proportional to 4,836.63, 6,687.95 and 3,840.15

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Solution

The fourth proportional to 4,836.63, 6,687.95 and 3,840.15 is: 5,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.63 : 6,687.95 = 3,840.15 : x
  2. Step 2: Convert to fraction form
    4,836.63/6,687.95 = 3,840.15/x
  3. Step 3: Cross multiply
    4,836.63x = 6,687.95 × 3,840.15
  4. Step 4: Simplify right side
    4,836.63x = 25,682,711.99
  5. Step 5: Solve for x
    x = 25,682,711.99/4,836.63
  6. Step 6: Final answer
    x = 5,310.04

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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.