Home / 7,347.44-11,015.69-3,447.29

Finding the Fourth Proportional to 7,347.44, 11,015.69 and 3,447.29

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Solution

The fourth proportional to 7,347.44, 11,015.69 and 3,447.29 is: 5,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.44 : 11,015.69 = 3,447.29 : x
  2. Step 2: Convert to fraction form
    7,347.44/11,015.69 = 3,447.29/x
  3. Step 3: Cross multiply
    7,347.44x = 11,015.69 × 3,447.29
  4. Step 4: Simplify right side
    7,347.44x = 37,974,288.28
  5. Step 5: Solve for x
    x = 37,974,288.28/7,347.44
  6. Step 6: Final answer
    x = 5,168.37

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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.