Home / 5,087.26-7,631.28-1,624.50

Finding the Fourth Proportional to 5,087.26, 7,631.28 and 1,624.50

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Solution

The fourth proportional to 5,087.26, 7,631.28 and 1,624.50 is: 2,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.26 : 7,631.28 = 1,624.50 : x
  2. Step 2: Convert to fraction form
    5,087.26/7,631.28 = 1,624.50/x
  3. Step 3: Cross multiply
    5,087.26x = 7,631.28 × 1,624.50
  4. Step 4: Simplify right side
    5,087.26x = 12,397,014.36
  5. Step 5: Solve for x
    x = 12,397,014.36/5,087.26
  6. Step 6: Final answer
    x = 2,436.87

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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.