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Finding the Fourth Proportional to 5,484.63, 8,227.53 and 1,787.15

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Solution

The fourth proportional to 5,484.63, 8,227.53 and 1,787.15 is: 2,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.63 : 8,227.53 = 1,787.15 : x
  2. Step 2: Convert to fraction form
    5,484.63/8,227.53 = 1,787.15/x
  3. Step 3: Cross multiply
    5,484.63x = 8,227.53 × 1,787.15
  4. Step 4: Simplify right side
    5,484.63x = 14,703,830.24
  5. Step 5: Solve for x
    x = 14,703,830.24/5,484.63
  6. Step 6: Final answer
    x = 2,680.92

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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.