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Finding the Fourth Proportional to 5,328.97, 7,993.12 and 1,630.85

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Solution

The fourth proportional to 5,328.97, 7,993.12 and 1,630.85 is: 2,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.97 : 7,993.12 = 1,630.85 : x
  2. Step 2: Convert to fraction form
    5,328.97/7,993.12 = 1,630.85/x
  3. Step 3: Cross multiply
    5,328.97x = 7,993.12 × 1,630.85
  4. Step 4: Simplify right side
    5,328.97x = 13,035,555.69
  5. Step 5: Solve for x
    x = 13,035,555.69/5,328.97
  6. Step 6: Final answer
    x = 2,446.17

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1.5x scale

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.