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Finding the Fourth Proportional to 6,951.38, 9,592.80 and 3,807.57

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Solution

The fourth proportional to 6,951.38, 9,592.80 and 3,807.57 is: 5,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.38 : 9,592.80 = 3,807.57 : x
  2. Step 2: Convert to fraction form
    6,951.38/9,592.80 = 3,807.57/x
  3. Step 3: Cross multiply
    6,951.38x = 9,592.80 × 3,807.57
  4. Step 4: Simplify right side
    6,951.38x = 36,525,257.50
  5. Step 5: Solve for x
    x = 36,525,257.50/6,951.38
  6. Step 6: Final answer
    x = 5,254.39

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1.5x scale

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.