Home / 5,510.46-8,264.88-1,812

Finding the Fourth Proportional to 5,510.46, 8,264.88 and 1,812

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Solution

The fourth proportional to 5,510.46, 8,264.88 and 1,812 is: 2,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.46 : 8,264.88 = 1,812 : x
  2. Step 2: Convert to fraction form
    5,510.46/8,264.88 = 1,812/x
  3. Step 3: Cross multiply
    5,510.46x = 8,264.88 × 1,812
  4. Step 4: Simplify right side
    5,510.46x = 14,975,962.56
  5. Step 5: Solve for x
    x = 14,975,962.56/5,510.46
  6. Step 6: Final answer
    x = 2,717.73

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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.