Home / 9,209.60-13,812.80-3,363.20

Finding the Fourth Proportional to 9,209.60, 13,812.80 and 3,363.20

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Solution

The fourth proportional to 9,209.60, 13,812.80 and 3,363.20 is: 5,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.60 : 13,812.80 = 3,363.20 : x
  2. Step 2: Convert to fraction form
    9,209.60/13,812.80 = 3,363.20/x
  3. Step 3: Cross multiply
    9,209.60x = 13,812.80 × 3,363.20
  4. Step 4: Simplify right side
    9,209.60x = 46,455,208.96
  5. Step 5: Solve for x
    x = 46,455,208.96/9,209.60
  6. Step 6: Final answer
    x = 5,044.22

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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.