Home / 4,735.30-7,105.65-1,815.70

Finding the Fourth Proportional to 4,735.30, 7,105.65 and 1,815.70

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Solution

The fourth proportional to 4,735.30, 7,105.65 and 1,815.70 is: 2,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.30 : 7,105.65 = 1,815.70 : x
  2. Step 2: Convert to fraction form
    4,735.30/7,105.65 = 1,815.70/x
  3. Step 3: Cross multiply
    4,735.30x = 7,105.65 × 1,815.70
  4. Step 4: Simplify right side
    4,735.30x = 12,901,728.71
  5. Step 5: Solve for x
    x = 12,901,728.71/4,735.30
  6. Step 6: Final answer
    x = 2,724.59

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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.