Home / 7,555.50-11,338.14-2,938.50

Finding the Fourth Proportional to 7,555.50, 11,338.14 and 2,938.50

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Solution

The fourth proportional to 7,555.50, 11,338.14 and 2,938.50 is: 4,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.50 : 11,338.14 = 2,938.50 : x
  2. Step 2: Convert to fraction form
    7,555.50/11,338.14 = 2,938.50/x
  3. Step 3: Cross multiply
    7,555.50x = 11,338.14 × 2,938.50
  4. Step 4: Simplify right side
    7,555.50x = 33,317,124.39
  5. Step 5: Solve for x
    x = 33,317,124.39/7,555.50
  6. Step 6: Final answer
    x = 4,409.65

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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.