Home / 7,447.70-11,166.51-3,555.38

Finding the Fourth Proportional to 7,447.70, 11,166.51 and 3,555.38

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Solution

The fourth proportional to 7,447.70, 11,166.51 and 3,555.38 is: 5,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.70 : 11,166.51 = 3,555.38 : x
  2. Step 2: Convert to fraction form
    7,447.70/11,166.51 = 3,555.38/x
  3. Step 3: Cross multiply
    7,447.70x = 11,166.51 × 3,555.38
  4. Step 4: Simplify right side
    7,447.70x = 39,701,186.32
  5. Step 5: Solve for x
    x = 39,701,186.32/7,447.70
  6. Step 6: Final answer
    x = 5,330.66

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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.