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Finding the Fourth Proportional to 6,417.73, 8,790.00 and 6,039.39

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Solution

The fourth proportional to 6,417.73, 8,790.00 and 6,039.39 is: 8,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.73 : 8,790.00 = 6,039.39 : x
  2. Step 2: Convert to fraction form
    6,417.73/8,790.00 = 6,039.39/x
  3. Step 3: Cross multiply
    6,417.73x = 8,790.00 × 6,039.39
  4. Step 4: Simplify right side
    6,417.73x = 53,086,185.93
  5. Step 5: Solve for x
    x = 53,086,185.93/6,417.73
  6. Step 6: Final answer
    x = 8,271.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.