Home / 7,330.33-10,977.27-5,128.75

Finding the Fourth Proportional to 7,330.33, 10,977.27 and 5,128.75

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Solution

The fourth proportional to 7,330.33, 10,977.27 and 5,128.75 is: 7,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.33 : 10,977.27 = 5,128.75 : x
  2. Step 2: Convert to fraction form
    7,330.33/10,977.27 = 5,128.75/x
  3. Step 3: Cross multiply
    7,330.33x = 10,977.27 × 5,128.75
  4. Step 4: Simplify right side
    7,330.33x = 56,299,647.87
  5. Step 5: Solve for x
    x = 56,299,647.87/7,330.33
  6. Step 6: Final answer
    x = 7,680.37

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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.