Home / 9,479.32-14,221-3,635.88

Finding the Fourth Proportional to 9,479.32, 14,221 and 3,635.88

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Solution

The fourth proportional to 9,479.32, 14,221 and 3,635.88 is: 5,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.32 : 14,221 = 3,635.88 : x
  2. Step 2: Convert to fraction form
    9,479.32/14,221 = 3,635.88/x
  3. Step 3: Cross multiply
    9,479.32x = 14,221 × 3,635.88
  4. Step 4: Simplify right side
    9,479.32x = 51,705,849.48
  5. Step 5: Solve for x
    x = 51,705,849.48/9,479.32
  6. Step 6: Final answer
    x = 5,454.59

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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.