Home / 5,740.84-8,610.78-1,792

Finding the Fourth Proportional to 5,740.84, 8,610.78 and 1,792

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Solution

The fourth proportional to 5,740.84, 8,610.78 and 1,792 is: 2,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.84 : 8,610.78 = 1,792 : x
  2. Step 2: Convert to fraction form
    5,740.84/8,610.78 = 1,792/x
  3. Step 3: Cross multiply
    5,740.84x = 8,610.78 × 1,792
  4. Step 4: Simplify right side
    5,740.84x = 15,430,517.76
  5. Step 5: Solve for x
    x = 15,430,517.76/5,740.84
  6. Step 6: Final answer
    x = 2,687.85

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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.