Home / 8,836.64-13,254.88-4,205.60

Finding the Fourth Proportional to 8,836.64, 13,254.88 and 4,205.60

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Solution

The fourth proportional to 8,836.64, 13,254.88 and 4,205.60 is: 6,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.64 : 13,254.88 = 4,205.60 : x
  2. Step 2: Convert to fraction form
    8,836.64/13,254.88 = 4,205.60/x
  3. Step 3: Cross multiply
    8,836.64x = 13,254.88 × 4,205.60
  4. Step 4: Simplify right side
    8,836.64x = 55,744,723.33
  5. Step 5: Solve for x
    x = 55,744,723.33/8,836.64
  6. Step 6: Final answer
    x = 6,308.36

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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.