Home / 9,270.08-12,787.36-6,432.36

Finding the Fourth Proportional to 9,270.08, 12,787.36 and 6,432.36

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Solution

The fourth proportional to 9,270.08, 12,787.36 and 6,432.36 is: 8,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.08 : 12,787.36 = 6,432.36 : x
  2. Step 2: Convert to fraction form
    9,270.08/12,787.36 = 6,432.36/x
  3. Step 3: Cross multiply
    9,270.08x = 12,787.36 × 6,432.36
  4. Step 4: Simplify right side
    9,270.08x = 82,252,902.97
  5. Step 5: Solve for x
    x = 82,252,902.97/9,270.08
  6. Step 6: Final answer
    x = 8,872.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.