Home / 4,155.39-6,231.99-1,233

Finding the Fourth Proportional to 4,155.39, 6,231.99 and 1,233

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Solution

The fourth proportional to 4,155.39, 6,231.99 and 1,233 is: 1,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.39 : 6,231.99 = 1,233 : x
  2. Step 2: Convert to fraction form
    4,155.39/6,231.99 = 1,233/x
  3. Step 3: Cross multiply
    4,155.39x = 6,231.99 × 1,233
  4. Step 4: Simplify right side
    4,155.39x = 7,684,043.67
  5. Step 5: Solve for x
    x = 7,684,043.67/4,155.39
  6. Step 6: Final answer
    x = 1,849.18

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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.