Home / 7,399.06-10,198.84-5,008.28

Finding the Fourth Proportional to 7,399.06, 10,198.84 and 5,008.28

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Solution

The fourth proportional to 7,399.06, 10,198.84 and 5,008.28 is: 6,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.06 : 10,198.84 = 5,008.28 : x
  2. Step 2: Convert to fraction form
    7,399.06/10,198.84 = 5,008.28/x
  3. Step 3: Cross multiply
    7,399.06x = 10,198.84 × 5,008.28
  4. Step 4: Simplify right side
    7,399.06x = 51,078,570.36
  5. Step 5: Solve for x
    x = 51,078,570.36/7,399.06
  6. Step 6: Final answer
    x = 6,903.39

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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.