Home / 6,268.60-9,390.34-2,971.90

Finding the Fourth Proportional to 6,268.60, 9,390.34 and 2,971.90

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Solution

The fourth proportional to 6,268.60, 9,390.34 and 2,971.90 is: 4,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.60 : 9,390.34 = 2,971.90 : x
  2. Step 2: Convert to fraction form
    6,268.60/9,390.34 = 2,971.90/x
  3. Step 3: Cross multiply
    6,268.60x = 9,390.34 × 2,971.90
  4. Step 4: Simplify right side
    6,268.60x = 27,907,151.45
  5. Step 5: Solve for x
    x = 27,907,151.45/6,268.60
  6. Step 6: Final answer
    x = 4,451.90

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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.