Home / 4,857.12-7,288.70-2,224.20

Finding the Fourth Proportional to 4,857.12, 7,288.70 and 2,224.20

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Solution

The fourth proportional to 4,857.12, 7,288.70 and 2,224.20 is: 3,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.12 : 7,288.70 = 2,224.20 : x
  2. Step 2: Convert to fraction form
    4,857.12/7,288.70 = 2,224.20/x
  3. Step 3: Cross multiply
    4,857.12x = 7,288.70 × 2,224.20
  4. Step 4: Simplify right side
    4,857.12x = 16,211,526.54
  5. Step 5: Solve for x
    x = 16,211,526.54/4,857.12
  6. Step 6: Final answer
    x = 3,337.68

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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.