Home / 7,212.58-10,799.40-3,742.54

Finding the Fourth Proportional to 7,212.58, 10,799.40 and 3,742.54

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Solution

The fourth proportional to 7,212.58, 10,799.40 and 3,742.54 is: 5,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.58 : 10,799.40 = 3,742.54 : x
  2. Step 2: Convert to fraction form
    7,212.58/10,799.40 = 3,742.54/x
  3. Step 3: Cross multiply
    7,212.58x = 10,799.40 × 3,742.54
  4. Step 4: Simplify right side
    7,212.58x = 40,417,186.48
  5. Step 5: Solve for x
    x = 40,417,186.48/7,212.58
  6. Step 6: Final answer
    x = 5,603.71

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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.