Home / 7,886.18-11,829.02-3,204.81

Finding the Fourth Proportional to 7,886.18, 11,829.02 and 3,204.81

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Solution

The fourth proportional to 7,886.18, 11,829.02 and 3,204.81 is: 4,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.18 : 11,829.02 = 3,204.81 : x
  2. Step 2: Convert to fraction form
    7,886.18/11,829.02 = 3,204.81/x
  3. Step 3: Cross multiply
    7,886.18x = 11,829.02 × 3,204.81
  4. Step 4: Simplify right side
    7,886.18x = 37,909,745.56
  5. Step 5: Solve for x
    x = 37,909,745.56/7,886.18
  6. Step 6: Final answer
    x = 4,807.11

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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.