Home / 6,269.66-8,654.37-4,278.79

Finding the Fourth Proportional to 6,269.66, 8,654.37 and 4,278.79

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Solution

The fourth proportional to 6,269.66, 8,654.37 and 4,278.79 is: 5,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.66 : 8,654.37 = 4,278.79 : x
  2. Step 2: Convert to fraction form
    6,269.66/8,654.37 = 4,278.79/x
  3. Step 3: Cross multiply
    6,269.66x = 8,654.37 × 4,278.79
  4. Step 4: Simplify right side
    6,269.66x = 37,030,231.81
  5. Step 5: Solve for x
    x = 37,030,231.81/6,269.66
  6. Step 6: Final answer
    x = 5,906.26

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1.5x scale

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.