Home / 8,204.48-12,303.84-3,275.36

Finding the Fourth Proportional to 8,204.48, 12,303.84 and 3,275.36

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Solution

The fourth proportional to 8,204.48, 12,303.84 and 3,275.36 is: 4,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.48 : 12,303.84 = 3,275.36 : x
  2. Step 2: Convert to fraction form
    8,204.48/12,303.84 = 3,275.36/x
  3. Step 3: Cross multiply
    8,204.48x = 12,303.84 × 3,275.36
  4. Step 4: Simplify right side
    8,204.48x = 40,299,505.38
  5. Step 5: Solve for x
    x = 40,299,505.38/8,204.48
  6. Step 6: Final answer
    x = 4,911.89

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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.