Home / 4,857.30-7,288.38-2,083.20

Finding the Fourth Proportional to 4,857.30, 7,288.38 and 2,083.20

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Solution

The fourth proportional to 4,857.30, 7,288.38 and 2,083.20 is: 3,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.30 : 7,288.38 = 2,083.20 : x
  2. Step 2: Convert to fraction form
    4,857.30/7,288.38 = 2,083.20/x
  3. Step 3: Cross multiply
    4,857.30x = 7,288.38 × 2,083.20
  4. Step 4: Simplify right side
    4,857.30x = 15,183,153.22
  5. Step 5: Solve for x
    x = 15,183,153.22/4,857.30
  6. Step 6: Final answer
    x = 3,125.84

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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.