Home / 6,268.76-8,652.60-3,909.50

Finding the Fourth Proportional to 6,268.76, 8,652.60 and 3,909.50

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Solution

The fourth proportional to 6,268.76, 8,652.60 and 3,909.50 is: 5,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.76 : 8,652.60 = 3,909.50 : x
  2. Step 2: Convert to fraction form
    6,268.76/8,652.60 = 3,909.50/x
  3. Step 3: Cross multiply
    6,268.76x = 8,652.60 × 3,909.50
  4. Step 4: Simplify right side
    6,268.76x = 33,827,339.70
  5. Step 5: Solve for x
    x = 33,827,339.70/6,268.76
  6. Step 6: Final answer
    x = 5,396.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.