Home / 4,857.84-7,286.76-1,395.12

Finding the Fourth Proportional to 4,857.84, 7,286.76 and 1,395.12

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Solution

The fourth proportional to 4,857.84, 7,286.76 and 1,395.12 is: 2,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.84 : 7,286.76 = 1,395.12 : x
  2. Step 2: Convert to fraction form
    4,857.84/7,286.76 = 1,395.12/x
  3. Step 3: Cross multiply
    4,857.84x = 7,286.76 × 1,395.12
  4. Step 4: Simplify right side
    4,857.84x = 10,165,904.61
  5. Step 5: Solve for x
    x = 10,165,904.61/4,857.84
  6. Step 6: Final answer
    x = 2,092.68

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Similar ratio
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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.