Home / 5,518.05-7,608.73-5,168.13

Finding the Fourth Proportional to 5,518.05, 7,608.73 and 5,168.13

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Solution

The fourth proportional to 5,518.05, 7,608.73 and 5,168.13 is: 7,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.05 : 7,608.73 = 5,168.13 : x
  2. Step 2: Convert to fraction form
    5,518.05/7,608.73 = 5,168.13/x
  3. Step 3: Cross multiply
    5,518.05x = 7,608.73 × 5,168.13
  4. Step 4: Simplify right side
    5,518.05x = 39,322,905.77
  5. Step 5: Solve for x
    x = 39,322,905.77/5,518.05
  6. Step 6: Final answer
    x = 7,126.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.