Home / 8,208.33-12,312.67-2,943.69

Finding the Fourth Proportional to 8,208.33, 12,312.67 and 2,943.69

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Solution

The fourth proportional to 8,208.33, 12,312.67 and 2,943.69 is: 4,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.33 : 12,312.67 = 2,943.69 : x
  2. Step 2: Convert to fraction form
    8,208.33/12,312.67 = 2,943.69/x
  3. Step 3: Cross multiply
    8,208.33x = 12,312.67 × 2,943.69
  4. Step 4: Simplify right side
    8,208.33x = 36,244,683.55
  5. Step 5: Solve for x
    x = 36,244,683.55/8,208.33
  6. Step 6: Final answer
    x = 4,415.60

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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.