Home / 6,185.54-9,278.75-2,487.79

Finding the Fourth Proportional to 6,185.54, 9,278.75 and 2,487.79

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Solution

The fourth proportional to 6,185.54, 9,278.75 and 2,487.79 is: 3,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.54 : 9,278.75 = 2,487.79 : x
  2. Step 2: Convert to fraction form
    6,185.54/9,278.75 = 2,487.79/x
  3. Step 3: Cross multiply
    6,185.54x = 9,278.75 × 2,487.79
  4. Step 4: Simplify right side
    6,185.54x = 23,083,545.83
  5. Step 5: Solve for x
    x = 23,083,545.83/6,185.54
  6. Step 6: Final answer
    x = 3,731.85

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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.