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Finding the Fourth Proportional to 7,602.50, 11,394.39 and 5,399.30

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Solution

The fourth proportional to 7,602.50, 11,394.39 and 5,399.30 is: 8,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.50 : 11,394.39 = 5,399.30 : x
  2. Step 2: Convert to fraction form
    7,602.50/11,394.39 = 5,399.30/x
  3. Step 3: Cross multiply
    7,602.50x = 11,394.39 × 5,399.30
  4. Step 4: Simplify right side
    7,602.50x = 61,521,729.93
  5. Step 5: Solve for x
    x = 61,521,729.93/7,602.50
  6. Step 6: Final answer
    x = 8,092.30

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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.