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Finding the Fourth Proportional to 9,059.88, 13,592.79 and 4,380.45

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Solution

The fourth proportional to 9,059.88, 13,592.79 and 4,380.45 is: 6,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.88 : 13,592.79 = 4,380.45 : x
  2. Step 2: Convert to fraction form
    9,059.88/13,592.79 = 4,380.45/x
  3. Step 3: Cross multiply
    9,059.88x = 13,592.79 × 4,380.45
  4. Step 4: Simplify right side
    9,059.88x = 59,542,536.96
  5. Step 5: Solve for x
    x = 59,542,536.96/9,059.88
  6. Step 6: Final answer
    x = 6,572.11

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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.