Home / 7,341.72-11,015.28-3,394.88

Finding the Fourth Proportional to 7,341.72, 11,015.28 and 3,394.88

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Solution

The fourth proportional to 7,341.72, 11,015.28 and 3,394.88 is: 5,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.72 : 11,015.28 = 3,394.88 : x
  2. Step 2: Convert to fraction form
    7,341.72/11,015.28 = 3,394.88/x
  3. Step 3: Cross multiply
    7,341.72x = 11,015.28 × 3,394.88
  4. Step 4: Simplify right side
    7,341.72x = 37,395,553.77
  5. Step 5: Solve for x
    x = 37,395,553.77/7,341.72
  6. Step 6: Final answer
    x = 5,093.57

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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.