Home / 5,510.41-8,264.82-1,812.79

Finding the Fourth Proportional to 5,510.41, 8,264.82 and 1,812.79

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Solution

The fourth proportional to 5,510.41, 8,264.82 and 1,812.79 is: 2,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.41 : 8,264.82 = 1,812.79 : x
  2. Step 2: Convert to fraction form
    5,510.41/8,264.82 = 1,812.79/x
  3. Step 3: Cross multiply
    5,510.41x = 8,264.82 × 1,812.79
  4. Step 4: Simplify right side
    5,510.41x = 14,982,383.05
  5. Step 5: Solve for x
    x = 14,982,383.05/5,510.41
  6. Step 6: Final answer
    x = 2,718.92

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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.