Home / 7,618.32-11,425.04-2,422.98

Finding the Fourth Proportional to 7,618.32, 11,425.04 and 2,422.98

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Solution

The fourth proportional to 7,618.32, 11,425.04 and 2,422.98 is: 3,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.32 : 11,425.04 = 2,422.98 : x
  2. Step 2: Convert to fraction form
    7,618.32/11,425.04 = 2,422.98/x
  3. Step 3: Cross multiply
    7,618.32x = 11,425.04 × 2,422.98
  4. Step 4: Simplify right side
    7,618.32x = 27,682,643.42
  5. Step 5: Solve for x
    x = 27,682,643.42/7,618.32
  6. Step 6: Final answer
    x = 3,633.69

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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.