Home / 8,836.78-13,281.09-4,223.02

Finding the Fourth Proportional to 8,836.78, 13,281.09 and 4,223.02

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Solution

The fourth proportional to 8,836.78, 13,281.09 and 4,223.02 is: 6,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.78 : 13,281.09 = 4,223.02 : x
  2. Step 2: Convert to fraction form
    8,836.78/13,281.09 = 4,223.02/x
  3. Step 3: Cross multiply
    8,836.78x = 13,281.09 × 4,223.02
  4. Step 4: Simplify right side
    8,836.78x = 56,086,308.69
  5. Step 5: Solve for x
    x = 56,086,308.69/8,836.78
  6. Step 6: Final answer
    x = 6,346.92

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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.