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Finding the Fourth Proportional to 7,602.06, 11,399.13 and 3,440.07

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Solution

The fourth proportional to 7,602.06, 11,399.13 and 3,440.07 is: 5,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.06 : 11,399.13 = 3,440.07 : x
  2. Step 2: Convert to fraction form
    7,602.06/11,399.13 = 3,440.07/x
  3. Step 3: Cross multiply
    7,602.06x = 11,399.13 × 3,440.07
  4. Step 4: Simplify right side
    7,602.06x = 39,213,805.14
  5. Step 5: Solve for x
    x = 39,213,805.14/7,602.06
  6. Step 6: Final answer
    x = 5,158.31

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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.