Home / 8,763.36-13,133.34-3,211.50

Finding the Fourth Proportional to 8,763.36, 13,133.34 and 3,211.50

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Solution

The fourth proportional to 8,763.36, 13,133.34 and 3,211.50 is: 4,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.36 : 13,133.34 = 3,211.50 : x
  2. Step 2: Convert to fraction form
    8,763.36/13,133.34 = 3,211.50/x
  3. Step 3: Cross multiply
    8,763.36x = 13,133.34 × 3,211.50
  4. Step 4: Simplify right side
    8,763.36x = 42,177,721.41
  5. Step 5: Solve for x
    x = 42,177,721.41/8,763.36
  6. Step 6: Final answer
    x = 4,812.96

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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.