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Finding the Fourth Proportional to 6,268.70, 9,397.65 and 3,190.70

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Solution

The fourth proportional to 6,268.70, 9,397.65 and 3,190.70 is: 4,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.70 : 9,397.65 = 3,190.70 : x
  2. Step 2: Convert to fraction form
    6,268.70/9,397.65 = 3,190.70/x
  3. Step 3: Cross multiply
    6,268.70x = 9,397.65 × 3,190.70
  4. Step 4: Simplify right side
    6,268.70x = 29,985,081.86
  5. Step 5: Solve for x
    x = 29,985,081.86/6,268.70
  6. Step 6: Final answer
    x = 4,783.30

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1.5x scale

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.