Home / 4,215.50-6,323.25-1,137.50

Finding the Fourth Proportional to 4,215.50, 6,323.25 and 1,137.50

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Solution

The fourth proportional to 4,215.50, 6,323.25 and 1,137.50 is: 1,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.50 : 6,323.25 = 1,137.50 : x
  2. Step 2: Convert to fraction form
    4,215.50/6,323.25 = 1,137.50/x
  3. Step 3: Cross multiply
    4,215.50x = 6,323.25 × 1,137.50
  4. Step 4: Simplify right side
    4,215.50x = 7,192,696.88
  5. Step 5: Solve for x
    x = 7,192,696.88/4,215.50
  6. Step 6: Final answer
    x = 1,706.25

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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.