Home / 7,392.38-11,085.12-3,493.98

Finding the Fourth Proportional to 7,392.38, 11,085.12 and 3,493.98

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Solution

The fourth proportional to 7,392.38, 11,085.12 and 3,493.98 is: 5,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.38 : 11,085.12 = 3,493.98 : x
  2. Step 2: Convert to fraction form
    7,392.38/11,085.12 = 3,493.98/x
  3. Step 3: Cross multiply
    7,392.38x = 11,085.12 × 3,493.98
  4. Step 4: Simplify right side
    7,392.38x = 38,731,187.58
  5. Step 5: Solve for x
    x = 38,731,187.58/7,392.38
  6. Step 6: Final answer
    x = 5,239.34

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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.