Home / 4,785.30-7,179.30-1,864.44

Finding the Fourth Proportional to 4,785.30, 7,179.30 and 1,864.44

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Solution

The fourth proportional to 4,785.30, 7,179.30 and 1,864.44 is: 2,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.30 : 7,179.30 = 1,864.44 : x
  2. Step 2: Convert to fraction form
    4,785.30/7,179.30 = 1,864.44/x
  3. Step 3: Cross multiply
    4,785.30x = 7,179.30 × 1,864.44
  4. Step 4: Simplify right side
    4,785.30x = 13,385,338.20
  5. Step 5: Solve for x
    x = 13,385,338.20/4,785.30
  6. Step 6: Final answer
    x = 2,797.18

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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.