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Finding the Fourth Proportional to 9,334.90, 13,995.78 and 3,489.94

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Solution

The fourth proportional to 9,334.90, 13,995.78 and 3,489.94 is: 5,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.90 : 13,995.78 = 3,489.94 : x
  2. Step 2: Convert to fraction form
    9,334.90/13,995.78 = 3,489.94/x
  3. Step 3: Cross multiply
    9,334.90x = 13,995.78 × 3,489.94
  4. Step 4: Simplify right side
    9,334.90x = 48,844,432.45
  5. Step 5: Solve for x
    x = 48,844,432.45/9,334.90
  6. Step 6: Final answer
    x = 5,232.45

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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.