Home / 7,609.20-11,406-4,837.92

Finding the Fourth Proportional to 7,609.20, 11,406 and 4,837.92

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Solution

The fourth proportional to 7,609.20, 11,406 and 4,837.92 is: 7,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.20 : 11,406 = 4,837.92 : x
  2. Step 2: Convert to fraction form
    7,609.20/11,406 = 4,837.92/x
  3. Step 3: Cross multiply
    7,609.20x = 11,406 × 4,837.92
  4. Step 4: Simplify right side
    7,609.20x = 55,181,315.52
  5. Step 5: Solve for x
    x = 55,181,315.52/7,609.20
  6. Step 6: Final answer
    x = 7,251.92

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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.