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Finding the Fourth Proportional to 6,277.95, 8,669.40 and 4,043.73

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Solution

The fourth proportional to 6,277.95, 8,669.40 and 4,043.73 is: 5,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.95 : 8,669.40 = 4,043.73 : x
  2. Step 2: Convert to fraction form
    6,277.95/8,669.40 = 4,043.73/x
  3. Step 3: Cross multiply
    6,277.95x = 8,669.40 × 4,043.73
  4. Step 4: Simplify right side
    6,277.95x = 35,056,712.86
  5. Step 5: Solve for x
    x = 35,056,712.86/6,277.95
  6. Step 6: Final answer
    x = 5,584.10

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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.