Home / 7,603.82-11,402.67-3,158.46

Finding the Fourth Proportional to 7,603.82, 11,402.67 and 3,158.46

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Solution

The fourth proportional to 7,603.82, 11,402.67 and 3,158.46 is: 4,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.82 : 11,402.67 = 3,158.46 : x
  2. Step 2: Convert to fraction form
    7,603.82/11,402.67 = 3,158.46/x
  3. Step 3: Cross multiply
    7,603.82x = 11,402.67 × 3,158.46
  4. Step 4: Simplify right side
    7,603.82x = 36,014,888.93
  5. Step 5: Solve for x
    x = 36,014,888.93/7,603.82
  6. Step 6: Final answer
    x = 4,736.42

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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.