Home / 5,624.11-8,436.93-2,113.97

Finding the Fourth Proportional to 5,624.11, 8,436.93 and 2,113.97

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Solution

The fourth proportional to 5,624.11, 8,436.93 and 2,113.97 is: 3,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.11 : 8,436.93 = 2,113.97 : x
  2. Step 2: Convert to fraction form
    5,624.11/8,436.93 = 2,113.97/x
  3. Step 3: Cross multiply
    5,624.11x = 8,436.93 × 2,113.97
  4. Step 4: Simplify right side
    5,624.11x = 17,835,416.91
  5. Step 5: Solve for x
    x = 17,835,416.91/5,624.11
  6. Step 6: Final answer
    x = 3,171.25

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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.