Home / 4,817.20-7,226.18-1,857.08

Finding the Fourth Proportional to 4,817.20, 7,226.18 and 1,857.08

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Solution

The fourth proportional to 4,817.20, 7,226.18 and 1,857.08 is: 2,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.20 : 7,226.18 = 1,857.08 : x
  2. Step 2: Convert to fraction form
    4,817.20/7,226.18 = 1,857.08/x
  3. Step 3: Cross multiply
    4,817.20x = 7,226.18 × 1,857.08
  4. Step 4: Simplify right side
    4,817.20x = 13,419,594.35
  5. Step 5: Solve for x
    x = 13,419,594.35/4,817.20
  6. Step 6: Final answer
    x = 2,785.77

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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.