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Finding the Fourth Proportional to 5,270.97, 7,274.96 and 3,384.93

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Solution

The fourth proportional to 5,270.97, 7,274.96 and 3,384.93 is: 4,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.97 : 7,274.96 = 3,384.93 : x
  2. Step 2: Convert to fraction form
    5,270.97/7,274.96 = 3,384.93/x
  3. Step 3: Cross multiply
    5,270.97x = 7,274.96 × 3,384.93
  4. Step 4: Simplify right side
    5,270.97x = 24,625,230.35
  5. Step 5: Solve for x
    x = 24,625,230.35/5,270.97
  6. Step 6: Final answer
    x = 4,671.86

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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.