Home / 7,121.52-10,675.19-2,958.93

Finding the Fourth Proportional to 7,121.52, 10,675.19 and 2,958.93

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Solution

The fourth proportional to 7,121.52, 10,675.19 and 2,958.93 is: 4,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.52 : 10,675.19 = 2,958.93 : x
  2. Step 2: Convert to fraction form
    7,121.52/10,675.19 = 2,958.93/x
  3. Step 3: Cross multiply
    7,121.52x = 10,675.19 × 2,958.93
  4. Step 4: Simplify right side
    7,121.52x = 31,587,147.34
  5. Step 5: Solve for x
    x = 31,587,147.34/7,121.52
  6. Step 6: Final answer
    x = 4,435.45

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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.