Home / 7,729.36-10,666.03-4,372.89

Finding the Fourth Proportional to 7,729.36, 10,666.03 and 4,372.89

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Solution

The fourth proportional to 7,729.36, 10,666.03 and 4,372.89 is: 6,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.36 : 10,666.03 = 4,372.89 : x
  2. Step 2: Convert to fraction form
    7,729.36/10,666.03 = 4,372.89/x
  3. Step 3: Cross multiply
    7,729.36x = 10,666.03 × 4,372.89
  4. Step 4: Simplify right side
    7,729.36x = 46,641,375.93
  5. Step 5: Solve for x
    x = 46,641,375.93/7,729.36
  6. Step 6: Final answer
    x = 6,034.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.