Home / 7,711.22-11,538.42-5,453.08

Finding the Fourth Proportional to 7,711.22, 11,538.42 and 5,453.08

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Solution

The fourth proportional to 7,711.22, 11,538.42 and 5,453.08 is: 8,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.22 : 11,538.42 = 5,453.08 : x
  2. Step 2: Convert to fraction form
    7,711.22/11,538.42 = 5,453.08/x
  3. Step 3: Cross multiply
    7,711.22x = 11,538.42 × 5,453.08
  4. Step 4: Simplify right side
    7,711.22x = 62,919,878.04
  5. Step 5: Solve for x
    x = 62,919,878.04/7,711.22
  6. Step 6: Final answer
    x = 8,159.52

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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.