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Finding the Fourth Proportional to 7,208.90, 10,799.36 and 4,736.22

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Solution

The fourth proportional to 7,208.90, 10,799.36 and 4,736.22 is: 7,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.90 : 10,799.36 = 4,736.22 : x
  2. Step 2: Convert to fraction form
    7,208.90/10,799.36 = 4,736.22/x
  3. Step 3: Cross multiply
    7,208.90x = 10,799.36 × 4,736.22
  4. Step 4: Simplify right side
    7,208.90x = 51,148,121.14
  5. Step 5: Solve for x
    x = 51,148,121.14/7,208.90
  6. Step 6: Final answer
    x = 7,095.14

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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.