Home / 7,671.79-11,498.26-3,971.91

Finding the Fourth Proportional to 7,671.79, 11,498.26 and 3,971.91

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Solution

The fourth proportional to 7,671.79, 11,498.26 and 3,971.91 is: 5,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.79 : 11,498.26 = 3,971.91 : x
  2. Step 2: Convert to fraction form
    7,671.79/11,498.26 = 3,971.91/x
  3. Step 3: Cross multiply
    7,671.79x = 11,498.26 × 3,971.91
  4. Step 4: Simplify right side
    7,671.79x = 45,669,976.53
  5. Step 5: Solve for x
    x = 45,669,976.53/7,671.79
  6. Step 6: Final answer
    x = 5,952.98

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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.